Longines HydroConquest Hydroconquest Chronograph Tachymeter Silver Rubber

Reference L3.651.4.76.2

About this watch

The Longines HydroConquest Chronograph Tachymeter, model L3.651.4.76.2, is a stunning timepiece that combines elegance with durability. With its sleek silver rubber strap and impressive features, this watch is designed for those who appreciate both aesthetics and functionality. The Hydroconquest Chronograph Tachymeter has a striking look that catches the eye immediately, featuring a round stainless steel case measuring 41.00 mm in diameter. The sapphire crystal glass protects the dial, ensuring clarity and scratch resistance. One of the standout features of the Hydroconquest is its impressive water resistance of up to 300 meters, making it an ideal companion for divers and water sports enthusiasts. At the heart of the Hydroconquest is the Longines Caliber L667, an automatic movement based on the renowned ETA 7750, ensuring precision and reliability.
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Key Features

  • Longines Caliber L667 (ETA 7750) Automatic Movement
  • Impressive Water Resistance up to 300 meters
  • Stainless Steel Case with Rotating Bezel
  • Sapphire Crystal Glass for Clarity and Scratch Resistance
  • Chronograph Functionality for Timing Activities
  • Comfortable Rubber Strap with Secure Clasp
  • Versatile Design Suitable for Various Occasions

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Chronograph Tachymeter Silver Rubber
Reference
L3.651.4.76.2
Movement
l667
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 41mm Blue - $850

Longines Hydroconquest 41mm Blue - $850

Longines - L37424966 · $850
A Longines Hydroconquest 41mm automatic diver features a blue sunburst dial, matching blue ceramic bezel and has excellent timekeeping capabilities.

  • Condition: Excellent with light signs of wear
  • Case size: 41mm diameter
  • Bezel material: Ceramic
  • Bracelet condition: Light scuffs on the clasp
Posted at
Feb 11, 2026, 1:00 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
2024 Longines HydroConquest watch with 43mm black ceramic case.

  • Case material: black ceramic
  • Size: 43mm diameter
Posted at
Feb 8, 2026, 1:07 PM
Active
[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

For sale is my Longines Hydroconquest 41m ceramic automatic in green. It's a stainless steel case with ceramic bezel and Swiss automatic movement (Longines Calibre L888 series) with approx. 72 hr power reserve.

  • Condition: Used
  • Case Size: 41 mm diameter
  • Case Material: Stainless steel case
  • Movement: Longines Calibre L888 series, approx. 72 hr power reserve
Posted at
Feb 6, 2026, 9:31 AM
Active
[WTS] Longines HydroConquest (Ref. L3.782.4.96.6) $975

Longines HydroConquest (Ref. L3.782.4.96.6) $975

The Longines HydroConquest is a 43mm Swiss automatic diver’s watch featuring a sunray blue dial and 300 meter water resistance.

  • Condition: Very good pre-owned
  • Diameter: 43mm
  • Water Resistance: 300m depth rating
  • Movement: L888 caliber
Posted at
Feb 4, 2026, 11:11 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