Longines HydroConquest Hydroconquest Quartz 41 Black

Reference L3.689.4.53.6

About this watch

The Longines Hydroconquest Quartz 41 Black is a stunning addition to the HydroConquest family, perfectly marrying functionality with style. Its striking black dial and robust design make it suitable for various occasions, from casual beach outings to formal dinners. The watch's stainless steel case has a diameter of 41mm, striking a balance between bulkiness and daintiness. The rotating bezel is functional, allowing divers to track their time underwater easily, while the 0-60 markings add a sporty flair. The proprietary hands offer a unique touch, and the date function is conveniently located for easy schedule keeping. At the heart of the Hydroconquest is the Longines caliber L115 movement, designed for precision and reliability. With a frequency of 28,800 vibrations per hour and a power reserve of 26,280 seconds, this quartz movement ensures accuracy and eliminates the need for frequent winding. The watch's impressive water resistance of 300 meters makes it perfect for aquatic adventures, while the sapphire glass is scratch-resistant to maintain its pristine look. The stainless steel bracelet feels sturdy yet comfortable on the wrist, adapting effortlessly to various lifestyles.
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Key Features

  • Longines Caliber L115 Quartz Movement
  • 41mm Stainless Steel Case with Rotating Bezel
  • 300m Water Resistance and Sapphire Glass
  • Proprietary Hands and Date Function
  • Stainless Steel Bracelet for Comfortable Wear

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 41 Black
Reference
L3.689.4.53.6
Movement
l115
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest GMT, Ref: L3.790.4.96.6, 41mm

Longines Hydroconquest GMT, Ref: L3.790.4.96.6, 41mm

Longines - L3.790.4.96.6 · $1,825
The Longines Hydroconquest GMT features a stainless steel case with blue ceramic bezel and a blue dial.

  • Condition: preowned with minor desk rash on bracelet
  • Case size: 41mm diameter
  • Bezel material: blue ceramic
  • Bracelet material: stainless steel
Posted at
Nov 30, 2025, 4:59 PM
Active
[WTS] Longines HydroConquest Automatic 43mm Date l3.782.4.96.6

Longines HydroConquest Automatic 43mm Date l3.782.4.96.6

Longines - L37824-966 · $960
A Longines HydroConquest 43mm Automatic in blue with ceramic, unidirectional rotating bezel, a solid stainless steel case, and water resistance up to 300 meters.

  • Condition: Excellent, used maybe 5 times since new
  • Case size: 43mm diameter
  • Depth rating: 300m
Posted at
Nov 30, 2025, 12:17 PM
Active
[WTS] Longines Hydroconquest 41mm Sunray Grey Ref L3.782.4.76.6 Full Kit plus extra strap $950

Longines Hydroconquest 41mm Sunray Grey Ref L3.782.4.76.6 Full Kit plus extra strap $950

The Longines HydroConquest features a stunning sunray grey dial that shifts beautifully under light, giving it a sleek, modern look that works equally well dressed up or down. The watch wears comfortably at 41mm and the proportions make it a great everyday piece that still feels special on the wrist.

  • Condition: Great shape overall, with only light surface wear on the case and bracelet
  • Case size: 41mm diameter
  • Lug to lug length: 51mm
  • Thickness: 11.9mm
Posted at
Nov 29, 2025, 11:32 AM
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