Longines HydroConquest Hydroconquest Chronograph

Reference L3.673.4.76.2

About this watch

The Longines Hydroconquest Chronograph embodies the perfect blend of style and functionality. This Swiss-made watch boasts a rich heritage, elegant design, and robust features that make it suitable for both adventurous outings and formal occasions. The 41mm stainless steel case and round shape ensure a classic look, while the silver tone gives it a sophisticated yet sporty vibe. The dial's clean layout and mixed indexes make reading time a breeze, while the chronograph sub-dials allow for easy tracking of elapsed time. With a water resistance of 300 meters, this watch is perfect for serious divers or casual beachgoers. Its ETA caliber 7750 movement ensures reliable timekeeping and impressive functionality, making it a masterful blend of style, functionality, and durability.
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Key Features

  • 41mm stainless steel case
  • ETA caliber 7750 automatic movement
  • 300m water resistance
  • Sapphire glass crystal
  • Rotating bezel with 0-60 dive scale
  • Chronograph function with hours, minutes, small seconds and date/day display

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Chronograph
Reference
L3.673.4.76.2
Movement
7750
Movement Features
  • Hours, Minutes, Small Seconds
  • Date, Day
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest GMT 41

Longines HydroConquest GMT 41

Longines - L3.790.4 · $1,875
A Longines HydroConquest GMT 41, featuring a GMT function and 41mm case size.

  • Condition: Pre-owned with minor cosmetic flaws
  • Case size: 41mm diameter
  • Water resistance: not specified
Posted at
Mar 11, 2026, 3:01 PM
Active
[WTS] Longines HydroConquest 41mm - $1200 Shipped

Longines HydroConquest 41mm - $1200 Shipped

Up for sale is my green Longines Hydroconquest 41, which I'm looking to replace with a Tudor Royal Date Day. The watch has been well taken care of and comes in excellent condition.

  • Condition: great condition with a small scratch on the AR coating
  • Bracelet condition: touched up
Posted at
Mar 10, 2026, 10:24 PM
Active
[WTS] 2025 Longines HydroConquest 39 - $950

2025 Longines HydroConquest 39 - $950

This is a 2025 Longines HydroConquest 39, a great everyday diver presented as a complete set. It has honest signs of wear and comes with a watch maxx kit, box, papers, and full links.

  • Condition: Good overall condition with visible signs of wear
  • Year: 2025
  • Included Accessories: Watch maxx kit,Box,Papers,Full links
  • Shipping Options: Buyer add $30 FedEx 2-Day Air or provide own label
Posted at
Mar 7, 2026, 5:21 PM
Active
[WTS] Longines - HydroConquest

Longines - HydroConquest

Longines HydroConquest with ceramic bezel in excellent condition. Comes complete with both boxes, hangtags, manual, extra links, and a Joma card.

Posted at
Mar 2, 2026, 10:06 PM
Active
[WTS] Longines Hydroconquest Blue 39mm - $1150

Longines Hydroconquest Blue 39mm - $1150

Longines - Hydroconquest · $1,150
A blue dial Longines Hydroconquest 39mm watch with a full kit, in excellent condition and keeping good time.

  • Condition: Great condition
  • Year purchased: 2025
  • Warranty duration: 5 years
Posted at
Mar 1, 2026, 8:14 PM
Active
[WTS] Longines Hydroconquest 41mm Two Tone

Longines Hydroconquest 41mm Two Tone

A Longines Hydroconquest 41mm Two Tone watch with a black dial and two tone finish. It is in very good condition with some minor wear.

  • Condition: Very Good Pre Owned Condition
  • Diameter: 41mm
Posted at
Feb 27, 2026, 3:34 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