Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Rose Gold / Grey / Rubber

Reference L3.781.3.78.9

About this watch

The Longines HydroConquest 41 Automatic is a stunning blend of modern technology and classic watchmaking, featuring a striking grey dial accented by rose gold elements on a high-quality stainless steel case with PVD gold coating. This reliable timepiece boasts a robust self-winding movement, the Longines caliber L888.5, which showcases the brand's commitment to precision and reliability. With its impressive 64-hour power reserve, chronometer certification, and silicon balance spring, this watch is designed for serious diving and everyday wear. The rotating bezel allows divers to track their time underwater accurately, while the rubber strap provides comfort and flexibility. Whether you're hitting the beach or a business meeting, this versatile watch pairs well with both casual and formal attire.
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Key Features

  • 41 mm round stainless steel case
  • Grey dial with rose gold accents
  • Rotating ceramic bezel
  • Water resistance of 300 meters
  • Longines caliber L888.5 self-winding movement
  • Chronometer certification for accuracy
  • 64-hour power reserve

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Rose Gold / Grey / Rubber
Reference
L3.781.3.78.9
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
41mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 43mm - $950

Longines Hydroconquest 43mm - $950

This Longines HydroConquest 43mm is in excellent working order and comes with a WatchMaxx full kit.

  • Condition: Great condition
  • Depth rating: 200m
Posted at
Aug 21, 2025, 12:02 AM
Active
[WTS] Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines - L3.780.3 · $999
a Longines HydroConquest Ref. L3.780.3, a Two-Tone Steel & Rose Gold PVD automatic diver watch with a 39mm case size.

  • Case Material: steel and rose gold PVD
  • Water Resistance: 39mm diameter
Posted at
Aug 18, 2025, 9:52 PM
Active
[WTS] Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines - L3.781.4.05.2 · $1,240
This Longines HydroConquest features a green ceramic bezel, automatic movement with date display, and a power reserve of up to 72 hours.

  • Condition: Like new/never worn
  • Case size: 41mm diameter
  • Water resistance: 30 bar
  • Crystal material: scratch-resistant sapphire crystal
Posted at
Aug 18, 2025, 7:39 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