Each marker on the ring is one counted review, coloured by its verdict.

Longines

HydroConquest 39

L3.779.4.96.639mmautomatic$2,200 list priceAnnounced March 2026

The 2026 redesign of Longines' HydroConquest dive watch in a new 39mm size: a fully brushed steel case with a ceramic unidirectional bezel, 300m water resistance and the 72-hour L888.5 automatic. This reference has a blue lacquered dial on the steel H-link bracelet; a 42mm version and a Milanese bracelet option are also offered.

Longines product page

Creator Consensus

Very positive

7 reviews: 7 positive, 0 mixed, 0 negative. 7 of 7 recommend it.

Every reviewer recommends it and feels it challenges more expensive rivals on quality. Most praise the precise, play-free bezel, the comfortable true-to-size fit, the micro-adjust clasp and a notably slim case for a diver. Several note that the clasp's on-the-go adjustment range is limited, and some miss a quick-release strap system.

Where they differ. Opinion splits on character: several reviewers see the low-key, broadly appealing design as a strength, while several others find it lacks a distinctive identity. Most welcome the cleaner dial without numerals, though some find its layout and text slightly awkward.

Most praised

Challenges pricier rivals on quality7 of 7
- Time+Tide Sees the tweaks as making the watch feel more refined than its price.feels a little more refined than the price tag would suggestRead it in context
- Bruce Williams Argues it may be better than rivals at half their price or less.half of that or even less than half of that on an arguably better watchWatch from 3:48
- This Watch That Watch Finds it good relative value against Oris and Rado.There, the Longines represents really good relative value.Watch from 8:10
- This Watch That Watch Argues it delivers most of a high-end watch's external quality for about $2,000.For $2,000, you get 97, 98, 96% of a high-end watchWatch from 11:02
- Walking With Watches Considers the price compelling relative to alternatives.The price is certainly compelling enough relevant relative to the other piecesWatch from 6:10
- Walking With Watches Sees some competition from below but little from more expensive watches.not a huge amount of natural competition from aboveWatch from 6:37
- Scott Adam Lancaster Feels its price outclasses most mid-tier to luxury brands.it's at a price which blows most mid-tier to luxury brands out of the waterWatch from 7:41
- Time & Crown Sees the price as a tough challenge for many other brands.it is a really hard contest for a lot of other watch brandsWatch from 12:37
- Teddy Baldassarre Believes it sets a new bar in its price segment.set a new bar for a diver in this $2,000 to $2,500 segmentWatch from 11:34
Precise, play-free bezel with satisfying action5 of 7
- Bruce Williams Finds the bezel action exceptionally good and satisfying.Here's the bezel action. This thing is so dang good.Watch from 2:22
- Bruce Williams Notes no back play, easy turning and a luxurious sound.there's no back play. It's easy to turn.Watch from 2:50
- Walking With Watches Praises the bezel's grip, action and especially its satisfying sound.great [snorts] grip, lovely action and most importantly, very satisfying soundWatch from 3:49
- Scott Adam Lancaster Bezel has minimal play and well-controlled clicks.very little wiggle, feels great, and also the clicksWatch from 1:26
- Time & Crown Praises the deep grip and play-free bezel, usable even with gloves.120 click unidirectional bezel, no play. Super easy to turnWatch from 5:26
- Time & Crown Finds the bezel action much more refined than the 2018 version's.this bezel action is so much more refinedWatch from 5:26
- Teddy Baldassarre Finds the more widely spaced bezel teeth deep enough for good grip.plenty of depth to offer ample gripWatch from 6:45
39mm wears comfortably and true to size5 of 7
- Time+Tide Considers the new 39mm a more wearable mid-size option for smaller wrists.perhaps a little more wearable on those of us afflicted with smaller wristsRead it in context
- Walking With Watches Finds the 39mm dimensions fit a 6.5–7 inch wrist perfectly.fit my 6 and 1/2 7-in wrist like an absolute gloveWatch from 4:15
- Time & Crown Calls the 39mm perfectly proportioned on the reviewer's wrist.It's absolutely perfect in its proportions.Watch from 15:00
- Time & Crown Initially feared long lugs but found it fits perfectly.They made the lugs too long." Absolutely not. This fits perfectly.Watch from 15:00
- Teddy Baldassarre Describes it as a comfortable wear with proportional dimensions.The Hydro Conquest has always been a comfortable wearWatch from 5:47
- Bruce Williams Describes a lovely fit on the wrist.This has a lovely fit on the wrist, excellent finish.Watch from 5:41
- Time & Crown Notes no bracelet overhang, so it wears true to its size.no overhang from the bracelet, so it's very true to its sizeWatch from 3:02
Micro-adjust clasp aids all-day comfort5 of 7
- Time+Tide Values clasp micro-adjustment on both bracelets for year-round comfort.micro-adjustment in the clasp to ensure they fit comfortably all year roundRead it in context
- Bruce Williams Values the adjustability in the bracelet.this has that adjustability in the braceletWatch from 6:10
- This Watch That Watch Finds the clasp opener and easy-adjust mechanism solid, and the three-link bracelet tapers well.Clasp opener is solid. So is the easy adjust mechanism.Watch from 3:22
- Scott Adam Lancaster Considers the micro-adjust system excellent, essential for wrist swelling in a hot climate.The micro-adjust system is absolutely excellent.Watch from 0:57
- Teddy Baldassarre Sees the tool-free micro-adjusting clasp as an improvement over the previous clasp.It's an improvement over the flip lock style of the previous generationWatch from 7:42
Excellent value for money5 of 7
- Bruce Williams Considers the $2,200 retail price a big deal.this retails as shown for $2,200, and that's a big deal.Watch from 3:18
- This Watch That Watch Considers Longines a value leader and this watch a good illustration of that.Longines are a value leader, and I do think that these watches illustrate that really wellWatch from 5:44
- Scott Adam Lancaster Would buy it again and considers it very much worth the price.I think it is very much worth the moneyWatch from 7:14
- Time & Crown Calls it a perfect entry-level luxury dive watch.this is a perfect entry-level luxury dive watchWatch from 12:37
- Teddy Baldassarre Says it delivers unquestionable value for money.delivers unquestionable value for the moneyWatch from 11:34
- Teddy Baldassarre Calls it hard to overlook for buyers with a budget just over $2,000.makes a lot of sense if you have a budget just over $2,000 for a dive watchWatch from 12:31
Impressively slim case for a diver4 of 7
- Bruce Williams Sees the thinner case profile as making a big difference.the thinner case profile. All of that makes a big difference.Watch from 2:22
- Time & Crown Considers the 11.7mm thickness impressively slim for a dive watch.so it is a very slim dive watchWatch from 3:02
- Teddy Baldassarre Highlights the slender height, which is thinner than a Black Bay 58 despite more water resistance.that actually makes these watches thinner than a Tudor Black Bay 58Watch from 4:49
- This Watch That Watch Finds both sizes sit flat and low-profile, good under shirt cuffs.Watch from 5:15

Show 18 more

Fully brushed finish suits a tool watch4 of 7
- Time+Tide Approves of the fully brushed surfaces as fitting for a tool watch.fully brushed across all surfaces, as I believe any good tool watch should beRead it in context
- Time+Tide Notes the brushed finish reduces the case's visual impact on the wrist.decreases the visual impact that the case has when it’s on your wristRead it in context
- Walking With Watches Describes the case brushing as gorgeous and crisp while staying sporty.The brushing on the case isWatch from 2:53
- Walking With Watches Appreciates the lack of polished edges to fret over scratching.There are no real polished edges on which to get too obsessed aboutWatch from 3:21
- Scott Adam Lancaster Appreciates the fully brushed bracelet without polished center links, deciding it needs no chamfering.no polished center links, just practical finishing, which suits the watchWatch from 1:56
- Time & Crown Thinks the fully brushed case balances the glossy dial and bezel.I think that is a really nice choiceWatch from 6:24
Dropping the numerals cleans up the dial4 of 7
- Time+Tide Feels removing the Arabic numerals and text makes the dial more functional and legible.far more functional and easier to read at a glanceRead it in context
- This Watch That Watch Strongly prefers the dial layout without numerals over previous versions.I vastly prefer this dial layout over previous versions.Watch from 6:14
- Scott Adam Lancaster Feels dropping the oversized numerals made the design cleaner and more mature.Removing the oversized numerals was the right move in my opinion.Watch from 2:54
- Teddy Baldassarre Likes the simplifying transformation and the more elegant throwback indices.lacquered finish options that really raise the gameWatch from 4:20
Mesh bracelet elevates the watch's character4 of 7
- Time+Tide Finds the new Milanese bracelet instantly elevates the watch's look.you instantly elevate the look of this watchRead it in context
- This Watch That Watch Calls the mesh bracelet brilliant, with a slim clasp unlike Omega's.The mesh bracelet is brilliant.Watch from 4:17
- Walking With Watches Considers the mesh bracelet a defining feature that changes the watch's whole character.The moment you put it on the wrist, the entire character of the watch changes.Watch from 1:55
- Walking With Watches Rates the mesh among the most comfortable bracelets worn in a long time.it is one of the most comfortable bracelets I've worn in a long timeWatch from 2:24
- Walking With Watches Feels the mesh makes the watch more distinctive and modern than on a three-link bracelet.on the mesh, the watch feels a bit more distinctive, a bit more modernWatch from 1:55
- Teddy Baldassarre Thinks the endlink-free mesh bracelet looks great, while acknowledging some may prefer end links.to the past looks great on the new Hydro ConquestWatch from 8:11
Build quality punches above its class4 of 7
- Bruce Williams Calls the finish excellent.This has a lovely fit on the wrist, excellent finish.Watch from 5:41
- This Watch That Watch Believes any case and bracelet finishing gap versus Rolex is minimal.If there is a difference in between the case and bracelet finishing of a Rolex and a Longines, it's minimal.Watch from 2:54
- This Watch That Watch Rates overall build quality as very high.Build quality is of a very high standard.Watch from 5:44
- Walking With Watches Feels expensive in an honest way, like a well-made robust tool watch.It has an expensive feel but not a pretend expensive feel.Watch from 3:21
- Time & Crown Feels the overall build exudes quality.Everything simply just reeks quality with these watches.Watch from 12:09
Understated everyday diver for any setting4 of 7
- This Watch That Watch Considers the balance between desk diver and tool watch exactly right.the balance they strike between desk driver and tool watch is spot-onWatch from 5:44
- This Watch That Watch Feels it is neither too flashy for casual wear nor too toolish for formal attire.not so toolish that it would feel out of place in more sort of let's call it formal attireWatch from 5:44
- Walking With Watches Values that it is handsome without flashiness and can be worn daily without anxiety.you can wear it as a daily without too much anxiety and stressWatch from 7:06
- Scott Adam Lancaster Has become the reviewer's go-to daily beater.This watch at the moment is essentially my daily beater.Watch from 0:28
- Teddy Baldassarre Frames it as the inoffensive, everyday diver the lineup was missing.What they were missing was an inoffensive dive watchWatch from 11:34
Dependable, well-regarded movement3 of 7
- Bruce Williams Praises the movement and smooth crown winding.movement, smooth winding with the crown at the three positionWatch from 6:10
- This Watch That Watch Considers the movement dependable and easy to service.It's dependable and more importantly it's an easily serviceable movement.Watch from 0:28
- Time & Crown Considers the movement high-performing, based on good past experience.This is a really high-performing movement.Watch from 11:11
Glossy lacquer dials add depth3 of 7
- Time+Tide Appreciates the depth of the lacquer dial options.the lacquer dials maintain their inky depthRead it in context
- This Watch That Watch Sees the new glossier dials as a definite improvement.The new glossier dials, definitely a plus.Watch from 5:44
- Teddy Baldassarre Considers the lacquered dials a clear upgrade over the earlier sunray finishes.it really steps up the look when compared to the sunray finishesWatch from 2:25
Appealing new colourways3 of 7
- This Watch That Watch Picks the blue bezel with black dial as a favourite for its restrained pop.the same kind of pop without going overboardWatch from 6:14
- Time & Crown Finds the light-blue boutique edition colouring fun, fresh and vibrant.the coloring is so fun, it's so fresh, it's so vibrantWatch from 8:19
- Teddy Baldassarre Particularly likes the gray bezel insert on the black-dial mesh version for its ghosted look.Especially attractive is the gray insert on the black dial mesh versionWatch from 6:45
- Teddy Baldassarre Feels the new colorways add real excitement to the range.the new colorways inject some real excitement into the mixWatch from 0:29
Low-key, broadly appealing design is a strength3 of 7
- This Watch That Watch Considers the low-quirk, broadly appealing design a good thing.There's very little quirk to this watch, and that's a good thing.Watch from 11:31
- Scott Adam Lancaster Likes the watch for being simple, predictable and even a little boring.Maybe even a little boring, which is why I like it so muchWatch from 1:56
- Walking With Watches Calls the watch conventionally handsome while acknowledging a flaw.the watch is conventionally handsome, albeit slightly flawedWatch from 6:10
Slimmer, more elegant lugs2 of 7
- Time+Tide Finds the integrated lugs sleek and thin as they curve toward the wrist.The lugs on this feel very sleek and thin as they curve downRead it in context
- Time & Crown Finds the lugs slimmer and the case more elegant than the previous version's.Much slimmer than lugs and much more elegant than on the previous version.Watch from 6:24
Crown operates smoothly2 of 7
- Scott Adam Lancaster Finds the crown very smooth to operate.The crown feels incredibly smoothWatch from 2:24
- Time & Crown Finds the crown easy to grip, smooth to wind and easy to screw down.It's such a joy to actually operate this crown.Watch from 12:09
Accurate timekeeping in testing2 of 7
- Walking With Watches Measured roughly ±2 seconds over about nine days, with some swinging.I'm running at minus 2 secondsWatch from 1:27
- Time & Crown Measured accuracy of -1 to +2 seconds, averaging zero.And I must say it performs perfectly.Watch from 10:43
Streamlined sizing is an improvement2 of 7
- This Watch That Watch Views the move to 39 and 42mm sizes as an improvement.Switching from 43 and 41 mm to 42 and 39 is also a plus.Watch from 5:44
- This Watch That Watch Considers the sizing in the ideal range.It's sized in the Goldilocks range.Watch from 11:02
- Teddy Baldassarre Approves of streamlining to two sizes that suit most wrists.a 42 mm covering the majority of wristsWatch from 5:47
Strong lume2 of 7
- Bruce Williams Praises the dial details and the lume.this has excellent dial details. This has lovely loomWatch from 6:10
- Time & Crown Rates the lume as very strong, with nice blue-lume details.I must say the loom is absolutely amazingWatch from 10:13
Refinements make the model more sophisticated2 of 7
- Time+Tide Feels the tweaks elevate style and charm without sacrificing toughness.they have been elevated in their sense of style and charmRead it in context
- Time+Tide Considers the small refinements to fit the modern Longines catalogue better.this update brings a lot to the table by making only small changesRead it in context
- Teddy Baldassarre Finds the new visual language more sophisticated, elevating the model.the sophistication that elevates a HydroWatch from 1:56
Bracelet options broaden its versatility2 of 7
- Time+Tide Calls the Milanese option a great move for desk divers.a great move for those who are more desk divers than deep sea diversRead it in context
- Teddy Baldassarre Believes both bracelet options show the design's versatility.speaks to the versatility of this new designWatch from 8:11
Circular markers give the dial personality1 of 7
- Walking With Watches Believes the circular markers inject personality and stop the dial becoming boring.The slightly odd circular markers inject personality.Watch from 5:13
- Walking With Watches Credits the dial's imperfection with giving the HydroConquest its identity.it's this imperfection that has given the Hydroconquest its identityWatch from 5:41
Slimmer clasp fixes an old weakness1 of 7
- Time & Crown Finds the new clasp slim and refined, fixing the old model's biggest flaw.this clasp is slim, it's really refined with both brushing and polishingWatch from 7:21

Most criticised

On-the-go adjustment range is limited3 of 7
- This Watch That Watch Would have liked an on-the-fly quick adjust, though sees it as minor.An on-the-fly quick adjust would also have been niceWatch from 6:43
- Scott Adam Lancaster Wants five or six micro-adjust positions rather than four.four positions just isn't enough for me personallyWatch from 1:26
- Time & Crown Wishes the on-the-go micro-adjustment offered more range, around a centimetre.A little more would have been really nice,Watch from 7:50
Lacks a distinctive identity3 of 7
- This Watch That Watch Acknowledges removing the numerals makes it a more boring black diver.it does make for a more, let's call it, boring black diverWatch from 8:10
- Time & Crown Concedes some may find it generic in a crowded diver market.maybe some people would think that they are maybe a little bit genericWatch from 13:35
- Time & Crown States directly that there isn't much originality.Not a lot of originality.Watch from 15:58
- Teddy Baldassarre Concedes the previous generation had a more distinctive identity.the previous Hydro Conquest had more of a distinctive identityWatch from 10:36
Dial layout and text feel slightly awkward2 of 7
- Bruce Williams Finds the text above six and below the hand stack awkwardly placed.looks a little weird here is the dial text placementWatch from 6:38
- Bruce Williams Considers the redundant 30 bar/300 m lines of varying width uncohesive, though not a deal breaker.that all just looks I don't know, not very cohesive.Watch from 7:07
- Walking With Watches Initially found the inverted marker layout asymmetrical and awkward.It felt asymmetrical, slightly awkward, like somebody changed their mind halfwayWatch from 4:44
- Walking With Watches Still regards the layout, with the date window and circles, as imperfect.So yes, I do think the dial layout is imperfect.Watch from 5:41
No quick-release strap system2 of 7
- This Watch That Watch Dislikes the absence of a quick strap-exchange mechanism.the bracelet does not have an easy exchange mechanism like the Spirit Zulu TimeWatch from 6:14
- Scott Adam Lancaster Would prefer screws to push pins and misses a quick-release system.the bracelet does not have a quick releaseWatch from 6:16
Calibre falls short of higher-spec options1 of 7
- This Watch That Watch Wants a 4Hz beat rate, noticing the difference in sweep.I wish they could offer a 4-Hz movement. I do notice the difference in sweepWatch from 6:43
- This Watch That Watch Wishes the COSC-certified version of the calibre were used.I also wish they used the L888.4 movementWatch from 6:43
Wears larger and heavier than expected1 of 7
- Scott Adam Lancaster Finds it wears bigger and heavier than they would like, though not annoyingly so.this watch feels bigger and heavier than I personally preferWatch from 3:23

Show 2 more

Picks up fingerprints and marks easily1 of 7
- Scott Adam Lancaster Glass and bezel pick up streaks and fingerprints easily, even after wiping.they still get finger marks super easilyWatch from 4:48
- Scott Adam Lancaster Noticed marks on the clasp after only a few weeks.after just a few weeks, we've got these noticeable marks on the claspWatch from 5:48
Direct-to-consumer brands offer similar quality for less1 of 7
- This Watch That Watch Notes a price increase and that DTC brands offer identical quality for less.direct-to-consumer brands that will get you identical quality for a few hundred dollars lessWatch from 7:11

Open a point to see who said it and jump to that moment in their review.

By aspect

PositiveMixedNegative

How reviewers judged each aspect; one square per reviewer who discussed it
Dial		Mostly liked
Wearability		Praised
Bracelet & strap		Praised
Value		Praised
Design		Praised
Case & proportions		Praised
Finishing & build		Praised
Versatility		Praised
Originality		Mixed
Movement		Praised
Functionality		Praised

Was this consensus useful?

The reviews

7 counted

Remontoir summarises; the reviewers did the work. Watch and read the originals for the full picture.

Scott Adam Lancaster

2 Weeks Wearing the New Longines HydroConquest: Every Flaw Nobody's Talking About

Video, 8 minOwner's reviewJun 2026

PositiveRecommends, with caveats

After two weeks of daily wear, the reviewer considers the 39mm HydroConquest a reliable, comfortable, understated everyday tool watch and very good value. They list many nitpicks: a flat crystal, a plain dial, polished hands, clasp marks, push pins, a larger feel than expected, and only four micro-adjust positions.

Suits: Someone wanting an understated, reliable everyday dive/tool watch at a strong price

Disclosure: Reviewer owns it

What they said, point by point

Bracelet & strapmixed: Considers the micro-adjust system excellent, essential for wrist swelling in a hot climate. 0:57
Wants five or six micro-adjust positions rather than four. 1:26
Would prefer screws to push pins and misses a quick-release system. 6:16
Feels a dive watch clasp should have a locking mechanism, though admits it matters little if not diving. 5:48
Functionalitypositive: Bezel has minimal play and well-controlled clicks. 1:26
Likes that the date always sits centered in its window. 2:24
Case & proportionsmixed: Finds the crown guards well-proportioned, protective without getting in the way. 2:24
Finds the crown very smooth to operate. 2:24
Wishes the flat crystal had a slight dome for more character. 4:19
Notes the lugs stand up, leaving gaps rather than sitting flush on the wrist. 7:41
Dialmixed: Particularly loves the lollipop tip on the seconds hand. 2:54
Finds the dial good but one-dimensional; would add texture or raised markers. 4:19
Thinks fully mirror-polished hands clash with the all-brushed case and bracelet. 5:18
Initially questioned the circle indices around the date but has grown fond of them. 6:44
Designpositive: Likes the watch for being simple, predictable and even a little boring. 1:56
Feels dropping the oversized numerals made the design cleaner and more mature. 2:54
Wearabilitymixed: Finds it wears bigger and heavier than they would like, though not annoyingly so. 3:23
Advises trying the 39mm in person, since it still feels substantial on a large wrist. 3:51
Finishing & buildmixed: Appreciates the fully brushed bracelet without polished center links, deciding it needs no chamfering. 1:56
Enjoys the satisfying snap when closing the clasp. 2:24
Glass and bezel pick up streaks and fingerprints easily, even after wiping. 4:48
Noticed marks on the clasp after only a few weeks. 5:48
Versatilitypositive: Has become the reviewer's go-to daily beater. 0:28
Valuepositive: Would buy it again and considers it very much worth the price. 7:14
Feels its price outclasses most mid-tier to luxury brands. 7:41
Compared with: Longines HydroConquest 42mm: Considered the 42mm but glad to have chosen the 39mm.

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Walking With Watches

The Longines HydroConquest Has a Flaw… And I Think It Saves the Watch | Full Review

Video, 8 minOwner's reviewMay 2026

PositiveRecommends, with caveats

After nearly two weeks of ownership, the reviewer calls it a very good, comfortable, well-finished dive watch and strong value. The asymmetric dial layout is imperfect but gives the watch its identity. It is flawed but earns a seal of approval.

Suits: Buyers wanting a handsome, understated daily diver worn without anxiety

Disclosure: Reviewer owns it

What they said, point by point

Bracelet & strappositive: Considers the mesh bracelet a defining feature that changes the watch's whole character. 1:55
Rates the mesh among the most comfortable bracelets worn in a long time. 2:24
Expects the brushed clasp to scratch easily but sees that as tool-watch character. 2:24
Notes a strap gap with the mesh, though personally not bothered by it. 2:53
Wearabilitypositive: Says the combination of slim case, mesh and micro-adjust clasp feels molded to the wrist. 2:24
Finds the 39mm dimensions fit a 6.5–7 inch wrist perfectly. 4:15
Finishing & buildpositive: Describes the case brushing as gorgeous and crisp while staying sporty. 2:53
Feels expensive in an honest way, like a well-made robust tool watch. 3:21
Appreciates the lack of polished edges to fret over scratching. 3:21
Functionalitypositive: Praises the bezel's grip, action and especially its satisfying sound. 3:49
Dialmixed: Initially found the inverted marker layout asymmetrical and awkward. 4:44
Believes the circular markers inject personality and stop the dial becoming boring. 5:13
Still regards the layout, with the date window and circles, as imperfect. 5:41
Finds the simple dial holds interest over time rather than getting boring. 5:41
Originalitypositive: Feels the mesh makes the watch more distinctive and modern than on a three-link bracelet. 1:55
Credits the dial's imperfection with giving the HydroConquest its identity. 5:41
Movementpositive: Measured roughly ±2 seconds over about nine days, with some swinging. 1:27
Acknowledges accuracy-focused buyers might pay more for a COSC or METAS movement. 6:37
Valuepositive: Considers the price compelling relative to alternatives. 6:10
Sees some competition from below but little from more expensive watches. 6:37
Versatilitypositive: Values that it is handsome without flashiness and can be worn daily without anxiety. 7:06
Designpositive: Calls the watch conventionally handsome while acknowledging a flaw. 6:10
Compared with: Rolex Submariner: Dial inverts the Submariner's marker layout, which gives it identity.

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Bruce Williams

Longines just changed the game! New Hydroconquest 39

Video, 9 minHands-on reviewApr 2026

Very positiveRecommends

Calls the new HydroConquest 39 possibly the year's most significant release: a genuinely improved diver with superb bezel action, thinner case, good lume and bracelet adjustability, sold at a lower price. The only gripe is cluttered dial text.

Suits: Value-conscious everyday watch collectors

Disclosure: Retailer stock

What they said, point by point

Functionalitypositive: Finds the bezel action exceptionally good and satisfying. 2:22
Notes no back play, easy turning and a luxurious sound. 2:50
Dialmixed: Praises the dial details and the lume. 6:10
Finds the text above six and below the hand stack awkwardly placed. 6:38
Considers the redundant 30 bar/300 m lines of varying width uncohesive, though not a deal breaker. 7:07
Case & proportionspositive: Sees the thinner case profile as making a big difference. 2:22
Wearabilitypositive: Describes a lovely fit on the wrist. 5:41
Finishing & buildpositive: Calls the finish excellent. 5:41
Movementpositive: Praises the movement and smooth crown winding. 6:10
Bracelet & strappositive: Values the adjustability in the bracelet. 6:10
Views pin-and-tube over screws as a toss-up, harder to size but won't loosen. 6:38
Valuepositive: Considers the $2,200 retail price a big deal. 3:18
Notes it is rare for a brand to improve a product and cut its price. 3:18
Argues it may be better than rivals at half their price or less. 3:48
Originalitypositive: Dismisses the idea that it is a Rolex homage as a lazy take. 4:16
Approves of borrowing dial cues from Longines' neo-vintage Admiral Diver. 5:41
Compared with: Tudor Black Bay: Comparable watch and bezel action, but at less than half the price.
Longines HydroConquest GMT (2023): Similar watch but with inferior bezel action and about $1,000 more.
Omega Seamaster: Some bezel font resemblance, but quite different and far pricier.

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Teddy Baldassarre

Longines Sets A New Bar For A Dive Watch In Its Segment - HydroConquest Collection Refresh

Video, 14 minHands-on reviewApr 2026

Very positiveRecommends

Calls the refresh a knockout. The lacquered dials, simpler indices, slimmer case and improved bracelets make it more sophisticated and versatile. It trades the old model's quirky identity for an inoffensive design that sets a new value benchmark in the $2,000–2,500 diver segment.

Suits: Buyers with a budget just over $2,000 seeking a versatile everyday dive watch

Disclosure: Retailer stock

What they said, point by point

Designpositive: Finds the new visual language more sophisticated, elevating the model. 1:56
Particularly likes the gray bezel insert on the black-dial mesh version for its ghosted look. 6:45
Feels the new colorways add real excitement to the range. 0:29
Dialpositive: Considers the lacquered dials a clear upgrade over the earlier sunray finishes. 2:25
Likes the simplifying transformation and the more elegant throwback indices. 4:20
Case & proportionspositive: Highlights the slender height, which is thinner than a Black Bay 58 despite more water resistance. 4:49
Finds the more widely spaced bezel teeth deep enough for good grip. 6:45
Wearabilitypositive: Describes it as a comfortable wear with proportional dimensions. 5:47
Approves of streamlining to two sizes that suit most wrists. 5:47
Bracelet & strappositive: Sees the tool-free micro-adjusting clasp as an improvement over the previous clasp. 7:42
Thinks the endlink-free mesh bracelet looks great, while acknowledging some may prefer end links. 8:11
Values the mesh bracelet's removable links for easy, precise sizing. 8:11
Finishing & buildmixed: Notes many will like the serious brushed tool look, while some may miss polished bevels. 5:47
Versatilitypositive: Believes both bracelet options show the design's versatility. 8:11
Frames it as the inoffensive, everyday diver the lineup was missing. 11:34
Originalitymixed: Concedes the previous generation had a more distinctive identity. 10:36
Argues that stripping away the quirky identity was the right commercial move. 11:34
Valuepositive: Says it delivers unquestionable value for money. 11:34
Believes it sets a new bar in its price segment. 11:34
Calls it hard to overlook for buyers with a budget just over $2,000. 12:31
Compared with: Tudor Black Bay 58: The new HydroConquest is thinner despite more water resistance.
Longines HydroConquest (previous generation): The new model has better dials, a better clasp and a slimmer case, but a less distinctive identity.
Longines Legend Diver: The Legend Diver covers the characterful diver role; the HydroConquest fills the inoffensive value role.

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Time+Tide

Longines updates the Hydroconquest with a smaller size and Milanese bracelet

ArticleHands-on reviewMar 2026Russell Sheldrake

PositiveRecommends

Sees the 2026 HydroConquest refresh as a set of small but effective refinements. The new 39mm size broadens appeal, the cleaner dial and bezel improve legibility, and the optional Milanese bracelet adds elegance without losing the diver's toughness.

Suits: Smaller-wristed buyers and 'desk divers' wanting a refined, tough diver

What the review says, point by point

Case & proportionspositive: Approves of the fully brushed surfaces as fitting for a tool watch.
Finds the integrated lugs sleek and thin as they curve toward the wrist.
Thinks the updated thinner bezel font is more readable.
Wearabilitypositive: Considers the new 39mm a more wearable mid-size option for smaller wrists.
Notes the brushed finish reduces the case's visual impact on the wrist.
Dialpositive: Feels removing the Arabic numerals and text makes the dial more functional and legible.
Supports the date window, finding it well integrated and non-disruptive.
Appreciates the depth of the lacquer dial options.
Bracelet & strappositive: Sees the H-link bracelet as a safe, sturdy match for a 300m diver.
Finds the new Milanese bracelet instantly elevates the watch's look.
Notes the Milanese is thick and solid, still screw-link sized, not dressy.
Values clasp micro-adjustment on both bracelets for year-round comfort.
Designpositive: Feels the tweaks elevate style and charm without sacrificing toughness.
Considers the small refinements to fit the modern Longines catalogue better.
Valuepositive: Judges the US$200 Milanese upgrade to be well priced given its quality.
Sees the tweaks as making the watch feel more refined than its price.
Versatilitypositive: Calls the Milanese option a great move for desk divers.
Cautions the Milanese does not turn the diver into a dress watch.
Compared with: Longines HydroConquest GMT: Dial simplification and H-link bracelet carried over from the GMT.

Read on timeandtidewatches.com

This Watch That Watch

Hands on: NEW 2026 Longines Hydroconquest

Video, 13 minHands-on reviewMar 2026

PositiveRecommends, with caveats

Sees the new HydroConquest as a strong, well-built package with near-luxury externals, good sizing and a cleaner numeral-free dial. Notes a lack of quick-release straps, a 3.5Hz non-COSC movement, and direct-to-consumer rivals offering similar quality for less.

Suits: Buyers wanting a broadly appealing desk/tool diver that also works with cuffs

Disclosure: Brand loaner

What they said, point by point

Finishing & buildpositive: Believes any case and bracelet finishing gap versus Rolex is minimal. 2:54
Notes very slight extra play in bracelet connectors compared with high-end bracelets. 3:22
Rates overall build quality as very high. 5:44
Bracelet & strapmixed: Finds the clasp opener and easy-adjust mechanism solid, and the three-link bracelet tapers well. 3:22
Calls the mesh bracelet brilliant, with a slim clasp unlike Omega's. 4:17
Dislikes the absence of a quick strap-exchange mechanism. 6:14
Would have liked an on-the-fly quick adjust, though sees it as minor. 6:43
Case & proportionspositive: Finds the engraved ceramic bezel numerals tactile and premium-feeling. 4:46
Notes the chunky bezel knurling adds a tool-watch feel. 4:46
Views the move to 39 and 42mm sizes as an improvement. 5:44
Considers the sizing in the ideal range. 11:02
Dialpositive: Sees the new glossier dials as a definite improvement. 5:44
Strongly prefers the dial layout without numerals over previous versions. 6:14
Finds the applied markers add shine and pop. 5:15
Designpositive: Considers the balance between desk diver and tool watch exactly right. 5:44
Picks the blue bezel with black dial as a favourite for its restrained pop. 6:14
Originalitymixed: Acknowledges removing the numerals makes it a more boring black diver. 8:10
Expects some to see it as more generic and Submariner-esque. 8:40
Considers the low-quirk, broadly appealing design a good thing. 11:31
Movementmixed: Considers the movement dependable and easy to service. 0:28
Wants a 4Hz beat rate, noticing the difference in sweep. 6:43
Wishes the COSC-certified version of the calibre were used. 6:43
Wearabilitypositive: Finds both sizes sit flat and low-profile, good under shirt cuffs. 5:15
Personally prefers the 42mm on the wrist over the 39mm. 5:15
Versatilitypositive: Feels it is neither too flashy for casual wear nor too toolish for formal attire. 5:44
Valuemixed: Considers Longines a value leader and this watch a good illustration of that. 5:44
Notes a price increase and that DTC brands offer identical quality for less. 7:11
Finds it good relative value against Oris and Rado. 8:10
Argues it delivers most of a high-end watch's external quality for about $2,000. 11:02
Compared with: Rolex Submariner: Submariner slightly better, but gap small and not worth $8,000 more.
Omega Seamaster Planet Ocean (blue/black): Similar colorway and pop in the blue bezel, black dial model.
Longines Spirit Zulu Time: Zulu Time has quick strap exchange; HydroConquest lacks it.
Formex Reef: Cheaper DTC-style alternative at 1,760 CHF.
Christopher Ward C60: Much cheaper; inferior movement but otherwise comparable.
Yema Superman Date: Slightly cheaper with an in-house movement.
Oris Aquis: Pricier; Longines represents better relative value.
Rado Captain Cook: Pricier; Longines represents better relative value.
Longines HydroConquest (previous generation): New version better, with improved sizing and cleaner dial.

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Time & Crown

Hands-On The New 2026 Longines HydroConquest Dive Watches

Video, 17 minHands-on reviewMar 2026

Very positiveRecommends

Sees the 2026 HydroConquest as a needed, successful relaunch that fixes the old model's flaws, notably the clasp. It is praised for slimness, bezel and crown action, lume, accuracy and value, with minor gripes about the date window, limited micro-adjust and a lack of originality.

Suits: Buyers seeking an entry-level Swiss luxury diver, including smaller wrists and women

Disclosure: Brand loaner

What they said, point by point

Case & proportionspositive: Considers the 11.7mm thickness impressively slim for a dive watch. 3:02
Notes no bracelet overhang, so it wears true to its size. 3:02
Finds the lugs slimmer and the case more elegant than the previous version's. 6:24
Finds the crown easy to grip, smooth to wind and easy to screw down. 12:09
Functionalitypositive: Praises the deep grip and play-free bezel, usable even with gloves. 5:26
Finds the bezel action much more refined than the 2018 version's. 5:26
Dialmixed: Rates the lume as very strong, with nice blue-lume details. 10:13
Likes the slim rehaut, which looks more refined than tall ones. 8:48
Wishes the date window had been colour-matched to the dial. 13:06
Bracelet & strappositive: Finds the new clasp slim and refined, fixing the old model's biggest flaw. 7:21
Likes the 20-to-16mm taper for a slim fit on the wrist. 3:30
Wishes the on-the-go micro-adjustment offered more range, around a centimetre. 7:50
Appreciates the inclusion of a half link as attention to detail. 8:19
Movementpositive: Measured accuracy of -1 to +2 seconds, averaging zero. 10:43
Considers the movement high-performing, based on good past experience. 11:11
Values the 72-hour reserve for surviving a weekend off the wrist. 11:39
Finishing & buildpositive: Thinks the fully brushed case balances the glossy dial and bezel. 6:24
Feels the overall build exudes quality. 12:09
Designpositive: Finds the light-blue boutique edition colouring fun, fresh and vibrant. 8:19
Wearabilitypositive: Calls the 39mm perfectly proportioned on the reviewer's wrist. 15:00
Initially feared long lugs but found it fits perfectly. 15:00
Suggests it could work as a unisex watch. 15:58
Valuepositive: Sees the price as a tough challenge for many other brands. 12:37
Calls it a perfect entry-level luxury dive watch. 12:37
Originalitynegative: Concedes some may find it generic in a crowded diver market. 13:35
States directly that there isn't much originality. 15:58
Compared with: Longines HydroConquest (2018): New version fixes flaws: better bezel action, slimmer case, far better clasp.
Rolex Submariner (older): Wears like a mix of an older Submariner and Black Bay 58.
Tudor Black Bay 58: Wear feel likened to a Black Bay 58 and older Submariner blend.

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Specifications

Reference: L3.779.4.96.6
Case: 39mm, stainless steel with ceramic bezel insert
Thickness: 11.7mm
Lug to lug: 48.1mm
Movement: Longines L888.5 (ETA-based, exclusive to Longines, silicon balance spring) (automatic)
Power reserve: 72 hours
Water resistance: 300m
Crystal: sapphire with multi-layer anti-reflective coating on both sides
Bracelet or strap: stainless steel H-link bracelet, double-security folding clasp with micro-adjustment (20mm lug width)
Announced: March 2026
List price (US): $2,200US price $2,200 on H-link steel bracelet per longines.com US (Sept 2026) and Time+Tide's March 2026 launch coverage ($2,400 on Milanese bracelet).

Creator Consensus is built only from what reviewers said. Prices, retailers and any commercial relationship never affect it. How consensus works