Longines HydroConquest Hydroconquest Chronograph Quartz

Reference L3.690.4.03.6

About this watch

The Longines Hydroconquest Chronograph Quartz is a masterpiece of luxury watchmaking, blending style and functionality with its robust design, impressive water resistance, and reliable chronograph features. The vibrant blue dial exudes confidence, while the stainless steel case ensures durability without compromising on style. The sapphire crystal glass provides scratch-resistance and high durability, ensuring your watch remains pristine for years to come. Powered by the Longines Caliber L541 quartz movement, this timepiece offers accurate timekeeping and precise chronograph functionality, making it an ideal companion for serious divers and anyone who appreciates a well-made watch. With its versatility, comfort, and security, the Hydroconquest Chronograph is a top contender in the luxury diving watch market.
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Key Features

  • Longines Caliber L541 quartz movement
  • Sapphire crystal glass for scratch-resistance
  • 300 meters water resistance for deep-sea exploration
  • 41.00 mm diameter with comfortable lug width of 21.00 mm
  • Stainless steel case with rotating bezel and Arabic numerals
  • Chronograph function with precise timekeeping and elapsed time measurement

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Chronograph Quartz
Reference
L3.690.4.03.6
Movement
l541
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 · $999
A 2024 Longines HydroConquest watch with a black ceramic case and 43mm diameter.

  • Case material: black ceramic
  • Case size: 43mm diameter
  • Year of manufacture: 2024
Posted at
Jan 16, 2026, 3:58 PM
Active
[WTS] Longines HydroConquest Grey L3.780.3.78.6 - $1199

Longines HydroConquest Grey L3.780.3.78.6 - $1199

Longines - L3.780.3.78.6 · $1,199
This Longines HydroConquest is a gray automatic dive watch featuring a 39mm case size, 48mm lug to lug length, and L888 movement.

  • Condition: Used
  • Case size: 39mm diameter
  • Lug to lug length: 48mm
Posted at
Jan 13, 2026, 5:36 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