Longines HydroConquest Hydroconquest Quartz 42 Stainless Steel / Black / Bracelet
Reference L3.769.4.56.6
About this watch
The Longines HydroConquest L3.769.4.56.6 debuted in 2026 as part of the HydroConquest collection, Longines’ line of contemporary dive watches. The model follows the design direction introduced with the HydroConquest GMT in 2024, which revised the collection’s dial layout and finishing. The round stainless steel case is equipped with a screw-in crown and a unidirectional rotating bezel fitted with an aluminium insert, a configuration used across the quartz-powered HydroConquest models. Water resistance is rated to 30 bar. The watch is fitted with a scratch-resistant sapphire crystal with several layers of anti-reflective coating applied to both sides.
The dial is finished in black with a sandblasted texture. Applied indexes serve as hour markers, reflecting the updated HydroConquest design that no longer features Arabic numerals on the dial. Silvered polished hands indicate the time, while a date display completes the functional layout.
Power is provided by the Longines calibre L157, a Swiss quartz movement driving the central hours, minutes, and seconds together with the date indication.
The L3.769.4.56.6 is fitted with a stainless steel bracelet secured by a double safety folding clasp.
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Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Quartz 42 Stainless Steel / Black / Bracelet
- Reference
- L3.769.4.56.6
- Movement
- l157
- Movement Features
-
- Hours, Seconds, Minutes
- Date
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] New Release, 1 week old, Longines Hydroconquest 39 mm](https://preview.redd.it/azs27iav29tg1.jpg?width=640&crop=smart&auto=webp&s=2d63891147bf6886a60c6bf18a5043c215bca88e)
New Release, 1 week old, Longines Hydroconquest 39 mm
A new release Longines Hydroconquest in a smaller 39mm diameter, purchased from an authorized dealer and still under warranty. It's been lightly worn for only a week.
- Condition: Perfect condition, 1 week old
- Case diameter: 39mm
- Lug to lug length: 48.1mm
- Thickness: 11.7mm
![[WTS] Longines Hydroconquest GMT 41mm](https://preview.redd.it/kx2si05scusg1.jpg?width=640&crop=smart&auto=webp&s=6f674e4340659513d22861adaa4e6f7e21f42f56)
Longines Hydroconquest GMT 41mm
Beautiful Longines Hydroconquest GMT with a 41mm case, included in the sale are extra links, warranty card, and original packaging.
- Condition: very good condition
- Water Resistance: not specified
- Warranty Years: 2
![[WTS] Longines Hydroconquest Green Dial Black Bezel](https://preview.redd.it/t5iimvsb3lsg1.jpg?width=640&crop=smart&auto=webp&s=0e0528c0c91782e685844db3df4e1ec370556a84)
Longines Hydroconquest Green Dial Black Bezel
- Condition: Perfect
- Year Of Purchase: August 2025
- Crown And Buckle Straps: 2 additional
- Shipping Info: US only
![[WTS] Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition](https://preview.redd.it/qivmazym0fsg1.jpg?width=640&crop=smart&auto=webp&s=4e49902d3641aa922643e2690a7207ece9b7d528)
Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition
The Longines Hydroconquest GMT features a 41mm stainless steel case, a true GMT movement, and a brown sunray dial with a brown ceramic bezel insert. It has a quick-adjust bracelet and a sapphire crystal with anti-reflective coating.
- Condition: Excellent, some minor hairline scratches on the bracelet
- Case size: 41mm
- Lug width: 21mm
- Thickness: 12.8mm
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.
This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.
- Condition: Excellent Condition
- Case Diameter: 41mm
- Thickness: 11.9mm
- Bezel Type: Unidirectional rotating Green Ceramic