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.
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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] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 · $999
A 2024 Longines HydroConquest watch with a 43mm black ceramic case.

  • Case material: black ceramic
  • Size: 43mm diameter
  • Year: 2024
Posted at
Jan 23, 2026, 6:43 PM
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 · $999
A 2024 Longines HydroConquest watch with a black ceramic case and 43mm diameter.

  • Case material: black ceramic
  • Case size: 43mm diameter
  • Year of manufacture: 2024
Posted at
Jan 16, 2026, 3:58 PM
Active
[WTS] Longines HydroConquest Grey L3.780.3.78.6 - $1199

Longines HydroConquest Grey L3.780.3.78.6 - $1199

Longines - L3.780.3.78.6 · $1,199
This Longines HydroConquest is a gray automatic dive watch featuring a 39mm case size, 48mm lug to lug length, and L888 movement.

  • Condition: Used
  • Case size: 39mm diameter
  • Lug to lug length: 48mm
Posted at
Jan 13, 2026, 5:36 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