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] Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.

  • Condition: Like new in box
  • Diameter: 41mm
  • Bezel material: blue ceramic
Posted at
Oct 18, 2025, 8:33 AM
Active
[WTS] Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.

  • Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
  • Warranty Valid Until: October 2029
  • Size: 39mm
Posted at
Oct 16, 2025, 5:22 PM
Active
[WTS] Longines Hydroconquest 41

Longines Hydroconquest 41

Longines - L3.781.4.05.6 · $1,380
The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.

  • Condition: essentially unworn
  • Shipping: CONUS only
Posted at
Oct 15, 2025, 8:12 PM
Active
[WTS] BNIB Longines HydroConquest

BNIB Longines HydroConquest

The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.

  • Condition: Brand new in box (BNIB)
Posted at
Oct 15, 2025, 7:10 PM
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