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] 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
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[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
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[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
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[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