Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Matte Black / NATO
Reference L3.781.4.05.2
About this watch
The Longines HydroConquest 41 Automatic in matte black is a statement piece that beautifully combines functionality with elegance. Its 41mm round case exudes sophistication, making it suitable for both casual outings and formal events. The watch boasts an impressive water resistance of up to 300 meters, powered by the reliable automatic movement, Longines caliber L888.3, which provides a power reserve of 65 hours. The stunning matte black finish is complemented by mixed indexes on the dial that provide a unique touch, while the rotating bezel adds a functional edge to the watch. The comfortable NATO strap ensures a secure fit without compromising style, making it perfect for both sport and leisure wear. With its rich heritage and precision craftsmanship, Longines has consistently blended tradition with innovation, resulting in a timepiece that is both beautiful and robust.
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Key Features
- Automatic movement with 65-hour power reserve
- Water resistance up to 300 meters
- Durable sapphire crystal
- Comfortable NATO strap
- Stunning matte black finish
- Mixed indexes on the dial
- Rotating bezel for tracking time underwater
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 41 Automatic Stainless Steel / Matte Black / NATO
- Reference
- L3.781.4.05.2
- Movement
- l888-3
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Hydroconquest 39mm L3.779.4.96.6](https://preview.redd.it/zub5je7bs71h1.jpg?width=640&crop=smart&auto=webp&s=c13e2690b5c678b496a1014ea9a0e708206ff81c)
Longines Hydroconquest 39mm L3.779.4.96.6
A Longines Hydroconquest 39mm with a frosted blue dial, this watch features a unique and stylish design.
- Condition: Like new
- Size: 39mm diameter
![[WTS] Longines Hydroconquest 39mm](https://preview.redd.it/j0qiwnh0r71h1.jpeg?auto=webp&s=149e7e806f9c75a04bd76edd823cd16d02223f52)
Longines Hydroconquest 39mm
A Longines Hydroconquest diver's watch in excellent condition, featuring a 2026 movement and virtually no signs of wear.
- Condition: 9.6/10 - extremely clean example
- Movement: 2026
- Case condition: virtually no signs of wear
- Box included: true
![[WTS] Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint](https://preview.redd.it/nl26c159pr0h1.jpg?width=640&crop=smart&auto=webp&s=39aff2e3e4e52101bb87e437d2067e0379d65704)
Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint
A limited edition Longines Hydroconquest, purchased just a week ago and still under warranty.
- Condition: Mint
- Case Size: 39mm
- Limited Edition Quantity: 2026 pieces
- Warranty Length: five years
![[WTS] Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750](https://preview.redd.it/p69ddyorlr0h1.jpg?width=640&crop=smart&auto=webp&s=f7815d2daaf928def1c1cbf186377f9a75330779)
Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750
This Longines HydroConquest is an excellent daily-wear diver with great proportions and comfortable sizing, featuring a black dial and ceramic bezel. The watch is running well and keeping great time.
- Condition: Excellent daily-wear, shows wear from use on the bracelet
- Case Size: 39mm diameter
- Bracelet Type: black ceramic bezel + bracelet + WOE NATO
![[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 馃殺](https://preview.redd.it/rp8zbzy4sd0h1.jpg?width=640&crop=smart&auto=webp&s=21116ff5110f1b74d4b7bda264317dfe55f99585)
Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 馃殺
A quartz-powered diver's watch from Longines, featuring a black dial and two-tone yellow gold PVD finish on the 41mm case.
- Condition: Good (light scratches)
- Case size: 41mm
- Material: two tone yellow gold PVD
- Movement: quartz
![[WTS] Longines Hydroconquest 43mm (updated pictures)](https://preview.redd.it/11p4qnon560h1.jpg?width=640&crop=smart&auto=webp&s=3d165c7cb611511155a69847f097a14536111e8c)
Longines Hydroconquest 43mm (updated pictures)
This Longines Hydroconquest 43mm features a black dial on a stainless steel bracelet and has been worn only 4-6 times since its purchase. It comes with a full set, including the box, tags, warranty cards, and is still under Jomashop's 2-year warranty.
- Condition: Fantastic, worn 4-6 times
- Case size: 43mm
- Lug to lug: 53mm
- Thickness: 11.90mm
![[WTS] (brand new) Longines HydroConquest 39mm - $1800 shipped](https://preview.redd.it/hhn5x9gi950h1.jpg?width=640&crop=smart&auto=webp&s=127fbc96289090a876136eae3e19a3201923e901)
(brand new) Longines HydroConquest 39mm - $1800 shipped
This brand new Longines HydroConquest features a black dial, stainless steel case and bracelet, sapphire crystal with anti-reflective coating, and is powered by the L888.4 automatic movement.
- Condition: Unworn
- Case material: stainless steel
- Bracelet material: stainless steel
- Water resistance: 300m
![[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 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