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 Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500

Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500

Longines - L3.784.4.56.9 · $2,500
This Longines HydroConquest features a unique full black ceramic aesthetic with a sleek and stealthy design, while maintaining refined and versatile qualities. The watch boasts excellent scratch resistance, legible dial, and comfortable daily wear.

  • Condition: MINT
  • Case diameter: 43mm
  • Thickness: 13mm
  • Lug-to-lug length: 56mm
Posted at
Apr 10, 2026, 8:26 PM
Active
[WTS] Longines Hydroconquest GMT | 41mm | Sunburst Brown | Excellent Condition

Longines Hydroconquest GMT | 41mm | Sunburst Brown | Excellent Condition

This Longines Hydroconquest GMT is a refresh of the well-loved hydroconquest line range, featuring a new quick-adjust bracelet and updated bezel with brown ceramic insert. The sunray dial looks incredible in all lighting conditions, especially when exposed to sunlight.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Lug to lug: 49.2mm
  • Thickness: 12.8mm
Posted at
Apr 8, 2026, 5:34 PM
Active
[WTS] Longines Hydroconquest GMT 41mm

Longines Hydroconquest GMT 41mm

Beautiful Longines Hydroconquest GMT with a 41mm case, included in the sale are extra links, warranty card, and original packaging.

  • Condition: very good condition
  • Water Resistance: not specified
  • Warranty Years: 2
Posted at
Apr 2, 2026, 5:00 PM
Active
[WTS] Longines Hydroconquest Green Dial Black Bezel

Longines Hydroconquest Green Dial Black Bezel

Longines - Hydroconquest · $1,250
  • Condition: Perfect
  • Year Of Purchase: August 2025
  • Crown And Buckle Straps: 2 additional
  • Shipping Info: US only
Posted at
Apr 1, 2026, 9:51 AM
Active
[WTS] Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition

Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition

The Longines Hydroconquest GMT features a 41mm stainless steel case, a true GMT movement, and a brown sunray dial with a brown ceramic bezel insert. It has a quick-adjust bracelet and a sapphire crystal with anti-reflective coating.

  • Condition: Excellent, some minor hairline scratches on the bracelet
  • Case size: 41mm
  • Lug width: 21mm
  • Thickness: 12.8mm
Posted at
Mar 31, 2026, 1:25 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