Longines HydroConquest Hydroconquest Chronograph
Reference L3.673.4.76.2
About this watch
The Longines Hydroconquest Chronograph embodies the perfect blend of style and functionality. This Swiss-made watch boasts a rich heritage, elegant design, and robust features that make it suitable for both adventurous outings and formal occasions. The 41mm stainless steel case and round shape ensure a classic look, while the silver tone gives it a sophisticated yet sporty vibe. The dial's clean layout and mixed indexes make reading time a breeze, while the chronograph sub-dials allow for easy tracking of elapsed time. With a water resistance of 300 meters, this watch is perfect for serious divers or casual beachgoers. Its ETA caliber 7750 movement ensures reliable timekeeping and impressive functionality, making it a masterful blend of style, functionality, and durability.
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Key Features
- 41mm stainless steel case
- ETA caliber 7750 automatic movement
- 300m water resistance
- Sapphire glass crystal
- Rotating bezel with 0-60 dive scale
- Chronograph function with hours, minutes, small seconds and date/day display
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph
- Reference
- L3.673.4.76.2
- Movement
- 7750
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date, Day
- Chronograph
- Case
- Stainless Steel 41mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] 2 girls 1 cu — whoops, wrong sub. 1 watch, 2 looks — 41mm Longines HydroConquest Full Kit](https://preview.redd.it/xj63tbupn40h1.jpg?width=640&crop=smart&auto=webp&s=e5b4f3138249cb59e2c8e26934aafe04478441f5)
2 girls 1 cu — whoops, wrong sub. 1 watch, 2 looks — 41mm Longines HydroConquest Full Kit
This 41mm Longines HydroConquest is a luxury diver watch that offers excellent value. It comes with a full kit, including an OEM bracelet and rubber strap.
- Condition: Pre-owned, desk diver marks present on both clasps
- Strap Length: up to 7.25 inches
- Adjustability: micro-adjust
- Bezel Condition: looks great
![[WTS] 2026 Longines HydroConquest 39mm - Black Ceramic - Newest Release - Full Set](https://preview.redd.it/xz7b44mm8tzg1.jpg?width=640&crop=smart&auto=webp&s=b3daf2f6a5742e16f2a308812d6febe2533806d7)
2026 Longines HydroConquest 39mm - Black Ceramic - Newest Release - Full Set
The newly redesigned Longines HydroConquest in the highly sought-after 39mm size, featuring a refined dial and upgraded bracelet.
- Condition: Excellent Used Condition
- Size: 39mm diameter
- Thickness: ~11.9mm
- Lug-to-lug length: 47mm
![[WTS] Longines Hydroconquest GMT 41mm](https://preview.redd.it/3afne82uprzg1.jpg?width=640&crop=smart&auto=webp&s=dca9a90fb8c9ba87131154390ed42eb29f98ad2b)
Longines Hydroconquest GMT 41mm
A black dial Longines Hydroconquest GMT watch with a 41mm case size, comes complete with a full set including a dated warranty card.
- Condition: Pre-owned, minor signs of wear
- Diameter: 41mm
- Case material: unknown
- Band: no details provided
![[WTS] Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.](https://preview.redd.it/q87s2169hozg1.jpg?width=640&crop=smart&auto=webp&s=ea163d3c8d0e0ecac6b09e09c73bf296af8af1fb)
Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.
A Longines Hydroconquest 43mm watch on a black dial with a stainless steel bracelet, now on an Ali Rubber strap.
- Condition: Mint condition, worn approximately 5 times
- Case size: 43mm diameter
- Lug to lug: 53mm
- Thickness: 11.90mm
![[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢](https://preview.redd.it/mjmjn7gaemzg1.jpg?width=640&crop=smart&auto=webp&s=40f67ac5acf667b2aa39f94a12de36a7ca27326f)
Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢
This Longines Hydroconquest is a 41mm two-tone diver's watch with a quartz movement.
- Condition: Used with light scratches
- Size: 41mm diameter
![[WTS] 2025 Longines Hydroconquest 41mm Ref: L37814056](https://preview.redd.it/ya49a4pp1mzg1.jpg?width=640&crop=smart&auto=webp&s=cb113d6816c7a2fe45079651eea6800af76c44d8)
2025 Longines Hydroconquest 41mm Ref: L37814056
This listing is for a 2025 Longines Hydroconquest 41mm watch, featuring an automatic self-winding caliber L888.5, unidirectional green ceramic bezel, and 300M water resistance.
- Condition: Like new with some minor marks on the bracelet and buckle
- Case size: 41mm
- Bracelet type: Stainless steel
- Water resistance: 300m depth rating
![[WTS] Longines Hydroconquest 42 mm “Green” 2026](https://preview.redd.it/hm9dwcf6qlzg1.jpg?width=640&crop=smart&auto=webp&s=1980c64f607b394182742d8f0b65514a62f73a2a)
Longines Hydroconquest 42 mm “Green” 2026
Up for sale is one of my new Longines Hydroconquest 42mm watches, I purchased several but find myself gravitating towards other models.
- Condition: New
- Case size: 42mm diameter
![[WTS] (Longines) (2026 Hydroconquest 39mm Commonwealth) Brand New and Unworn](https://preview.redd.it/fsb6xre45lzg1.jpg?width=640&crop=smart&auto=webp&s=a209b82914969f35eb9b0ccefdfa7e6763495a5f)
(Longines) (2026 Hydroconquest 39mm Commonwealth) Brand New and Unworn
This is a Limited Edition Hydroconquest Commonwealth Games watch from Longines, purchased brand new from an authorized dealer and still under warranty.
- Case diameter: 39mm
- Box condition: great condition with exception of price sticker on outer box
![[WTS] Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995](https://preview.redd.it/ihyzvffwa5zg1.png?width=640&crop=smart&auto=webp&s=0aaa89e4a10141e5b2cb16432d533ac6562ca820)
Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995
A Longines HydroConquest with a black dial and steel bracelet for sale. It's the latest iteration from 2026, purchased recently but only worn once to a wedding.
- Condition: Near mint, worn once
- Case size: 39mm
- Movement: Automatic