Longines HydroConquest Hydroconquest Chronograph Tachymeter Black Rubber

Reference L3.651.4.56.2

About this watch

The Longines Hydroconquest Chronograph Tachymeter Black Rubber (Model: L3.651.4.56.2) is a masterclass in luxury watchmaking, combining style, functionality, and durability in one sleek package. At the heart of this timepiece lies the reliable Longines Caliber L667 automatic movement, boasting 25 jewels and a 42-hour power reserve. The robust stainless steel case measures 41mm in diameter, while the scratch-resistant sapphire crystal ensures the dial remains pristine over time. A high-quality black rubber strap adds comfort and flexibility, making it perfect for active lifestyles. The chronograph functionality is a game-changer for those who appreciate precision timing, with easy-to-manipulate pushers and a subtle date function at the 6 o'clock mark. With its impressive 300-meter water resistance, this watch shines in aquatic environments, allowing you to dive without a second thought. Whether you're a seasoned diver or just looking for a stylish timepiece, the Longines Hydroconquest is an excellent choice, offering fantastic value for its price point of $1540.
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Key Features

  • Longines Caliber L667 automatic movement
  • 41mm stainless steel case
  • Scratch-resistant sapphire crystal
  • 300-meter water resistance
  • Chronograph functionality with date display
  • High-quality black rubber strap
  • 42-hour power reserve

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Chronograph Tachymeter Black Rubber
Reference
L3.651.4.56.2
Movement
l667
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest GMT 41mm – Black dial – Full Kit – Warranty through Fev 2030!

Longines HydroConquest GMT 41mm – Black dial – Full Kit – Warranty through Fev 2030!

The Longines HydroConquest GMT is a 41mm watch with a black dial, featuring a full kit and an international warranty valid until 2030. It has been well-maintained and shows no signs of wear or damage.

  • Condition: Excellent condition
  • Size: 41mm diameter
  • Kit Type: Full Kit
Posted at
Oct 26, 2025, 2:49 PM
Active
[WTS] USA, Longines Hydroconquest, Ref L3.781.3.96.9

USA, Longines Hydroconquest, Ref L3.781.3.96.9

Longines - L3.781.3.96.9 · $3,000
  • Material: Stainless steel
Posted at
Oct 24, 2025, 9:01 PM
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 and comes with a full kit.

  • Condition: Great condition with minor scratches on the bracelet and buckle
  • Size: 39mm diameter
  • Warranty Valid Until: October 2029
Posted at
Oct 23, 2025, 12:49 AM
Active
[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