Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Ceramic / Grey / Bracelet

Reference L3.781.4.76.6

About this watch

The Longines HydroConquest 41 Automatic in Grey (Model: L3.781.4.76.6) is a statement piece that reflects your style and personality. Founded in 1832, Longines has established itself as a pioneer in Swiss watchmaking, known for their commitment to tradition and precision. The HydroConquest series, launched to celebrate diving and water sports, is a fantastic representation of the brand's ability to merge utility with luxury. This watch exudes confidence with its substantial 41mm case diameter, making it suitable for both casual and formal occasions. The grey dial is stunning, offering a subtle yet striking backdrop for the watch's mixed indexes and proprietary hands, which are coated with luminescent material, ensuring visibility in low-light conditions. At the core of the HydroConquest is the Longines caliber L888.2 movement, engineered for precision and reliability, boasting a 65-hour power reserve. With a water resistance of 300 meters, this watch can handle the pressure of serious diving. The rotating bezel is a critical feature for divers, allowing you to track dive times effectively. This practical function, combined with the watch's aesthetic appeal, makes it a must-have for diving enthusiasts. Priced at $2,000, the Longines HydroConquest 41 Automatic offers excellent value, especially considering its durability, functionality, and Swiss craftsmanship.
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Key Features

  • Longines caliber L888.2 automatic movement
  • 300m water resistance
  • Stainless steel case with ceramic bezel
  • Grey dial with mixed indexes and luminescent hands

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Ceramic / Grey / Bracelet
Reference
L3.781.4.76.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest GMT, Ref: L3.790.4.96.6, 41mm

Longines Hydroconquest GMT, Ref: L3.790.4.96.6, 41mm

Longines - L3.790.4.96.6 · $1,825
The Longines Hydroconquest GMT features a stainless steel case with blue ceramic bezel and a blue dial.

  • Condition: preowned with minor desk rash on bracelet
  • Case size: 41mm diameter
  • Bezel material: blue ceramic
  • Bracelet material: stainless steel
Posted at
Nov 30, 2025, 4:59 PM
Active
[WTS] Longines HydroConquest Automatic 43mm Date l3.782.4.96.6

Longines HydroConquest Automatic 43mm Date l3.782.4.96.6

Longines - L37824-966 · $960
A Longines HydroConquest 43mm Automatic in blue with ceramic, unidirectional rotating bezel, a solid stainless steel case, and water resistance up to 300 meters.

  • Condition: Excellent, used maybe 5 times since new
  • Case size: 43mm diameter
  • Depth rating: 300m
Posted at
Nov 30, 2025, 12:17 PM
Active
[WTS] Longines Hydroconquest 41mm Sunray Grey Ref L3.782.4.76.6 Full Kit plus extra strap $950

Longines Hydroconquest 41mm Sunray Grey Ref L3.782.4.76.6 Full Kit plus extra strap $950

The Longines HydroConquest features a stunning sunray grey dial that shifts beautifully under light, giving it a sleek, modern look that works equally well dressed up or down. The watch wears comfortably at 41mm and the proportions make it a great everyday piece that still feels special on the wrist.

  • Condition: Great shape overall, with only light surface wear on the case and bracelet
  • Case size: 41mm diameter
  • Lug to lug length: 51mm
  • Thickness: 11.9mm
Posted at
Nov 29, 2025, 11:32 AM
Active
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines - L3.781.4.06.9 · $1,095
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
Posted at
Feb 5, 2025, 2:47 AM
Active