Longines HydroConquest Hydroconquest 41 Quartz Chronograph Stainless Steel / Black / Bracelet

Reference L3.743.4.56.6

About this watch

If you're in the market for a watch that blends elegance with high-performance functionality, the Longines Hydroconquest 41 Quartz Chronograph might just be your next obsession. This stunning timepiece, with the reference number L3.743.4.56.6, is not just a watch; it's a statement piece that reflects your taste and lifestyle. With a rich history and commitment to quality, Longines has become synonymous with luxury watches that cater to both casual wearers and professional athletes. The Hydroconquest collection is particularly noteworthy for its robust design and aquatic capabilities. Designed for divers and adventurous spirits, the Hydroconquest series features water-resistant models that don't shy away from style. The L3.743.4.56.6 is the perfect blend of sportiness and sophistication. Crafted from high-grade stainless steel, the case exudes durability while still maintaining a refined aesthetic. The sapphire glass is scratch-resistant, ensuring that your watch stays pristine even after years of use. At the heart of the Hydroconquest is the Longines caliber L440.2, a quartz chronograph designed for accuracy and reliability. With its add, split, and rally capabilities, you can easily measure elapsed time, making it a practical choice for sports enthusiasts. The small seconds hand adds an extra layer of functionality, allowing for more precise timekeeping. If you're a water sports enthusiast, you'll be pleased to know that the Hydroconquest boasts an impressive water resistance of 300 meters. This makes it suitable for professional diving, swimming, and other water activities. Wearing the Hydroconquest is an experience in itself, with its weight just right-not too heavy, yet solid enough to feel substantial.
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Key Features

  • Longines caliber L440.2 quartz chronograph movement
  • High-quality stainless steel case with rotating bezel
  • Scratch-resistant sapphire glass for 300 meters water resistance
  • Chronograph features: add, split, and rally functions
  • Stylish and versatile design suitable for formal or casual wear
  • Comfortable on the wrist for daily wear

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest 41 Quartz Chronograph Stainless Steel / Black / Bracelet
Reference
L3.743.4.56.6
Movement
l440-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Rattrapante
Case
Stainless Steel 41mm
Dial Color
Black
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
[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 43mm Black Ceramic watch for sale.

  • Case Size: 43mm
  • Year: 2024
Posted at
Jan 30, 2026, 9:33 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