Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Ceramic / Kohei Uchimura

Reference L3.781.4.99.6

About this watch

The Longines HydroConquest L3.781.4.99.6 is a masterpiece of luxury watchmaking, blending elegance with functionality in perfect harmony. This stunning blue-dialed timepiece embodies the spirit of adventure and precision that Longines is renowned for. With its robust stainless steel case, rotating dive bezel, and proprietary hands, this watch is an ideal companion for divers and adventurers alike. The Longines caliber L888.2 movement provides a 65-hour power reserve, operating at 25,200 vibrations per hour with 21 jewels for smooth operation and longevity. Water-resistant up to 300 meters, this true diving watch can handle any underwater adventure. Its striking aesthetics, comfortable 41mm diameter, and versatility in strap options make it a standout choice in the world of luxury watches.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Automatic Longines caliber L888.2 movement
  • Water resistance up to 300 meters
  • Rotating dive bezel with 0-60 markings
  • Sapphire glass for outstanding clarity and scratch resistance
  • Stainless steel case with robust feel
  • Proprietary hands for optimal visibility
  • Blue dial with mixed indexes

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Ceramic / Kohei Uchimura
Reference
L3.781.4.99.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Blue
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