Longines HydroConquest Hydroconquest Chronograph Quartz

Reference L3.690.4.59.6

About this watch

The Longines Hydroconquest Chronograph Quartz is a statement piece that embodies elegance and functionality. Its robust design, featuring a black dial against a stainless steel case, creates a bold yet sophisticated look. The rotating bezel with smooth operation adds to the overall functionality, perfect for timing dives accurately. With a diameter of 41.00 mm, this watch sits comfortably on most wrists. The heart of the Hydroconquest Chronograph is the Longines Caliber L541, a quartz movement known for its reliability and accuracy. This movement is designed to withstand the test of time with 27 jewels, ensuring accurate timekeeping with minimal maintenance. The chronograph function is incredibly practical, allowing you to time your swimming laps or track cooking times with ease. The sapphire crystal offers exceptional scratch resistance and clarity, while the stainless steel bracelet feels premium and is adjustable for a perfect fit. With its impressive water resistance of 300 meters, this watch is built to withstand the elements, making it perfect for outdoor enthusiasts.
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Key Features

  • 41mm diameter stainless steel case
  • Quartz movement with 27 jewels
  • Chronograph function with pushers and sub-dials
  • Sapphire crystal for exceptional scratch resistance
  • 300m water resistance
  • Adjustable stainless steel bracelet
  • Arabic numerals on a black dial

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Chronograph Quartz
Reference
L3.690.4.59.6
Movement
l541
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] 2026 Longines HydroConquest 42mm "Hulk" Green, bought 29 days ago

2026 Longines HydroConquest 42mm "Hulk" Green, bought 29 days ago

Longines - L3.788.4.06.6 · $2,100
This listing is for a brand new 2026 Longines HydroConquest 'Hulk' Green, featuring an updated dial layout and high-performance L888.5 movement.

  • Condition: Near-mint
  • Movement: L888.5
  • Bezel material: Green Ceramic
  • Depth rating: 300m
Posted at
May 3, 2026, 2:46 PM
Active
[WTS] New Longines HydroConquest 42mm Frosted Blue Dial

New Longines HydroConquest 42mm Frosted Blue Dial

A brand new Longines HydroConquest with a frosted blue dial in 42mm size.

  • Condition: new
  • Case size: 42mm
  • Diameter: 42mm
Posted at
May 3, 2026, 1:20 PM
Active
[WTS] Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

The Longines HydroConquest GMT Blue is a true GMT diver with a sunray blue dial, blue ceramic bezel, and Calibre L844.5 automatic movement.

  • Condition: Brand New
  • Case diameter: 41mm
  • Water resistance: 300m
  • Movement type: Calibre L844.5 automatic
Posted at
May 1, 2026, 8:25 PM
Active
[WTS] New Longines Hydroconquest 42mm Frosted Blue Dial

New Longines Hydroconquest 42mm Frosted Blue Dial

A brand new Longines Hydroconquest 42mm with a frosted blue dial, sold exclusively at Corporate boutiques. The watch comes with all links, papers, and box.

  • Condition: Brand new
  • Diameter: 42mm
Posted at
May 1, 2026, 10:36 AM
Active
[WTS] 2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

Longines - L37884906 · $1,900
The Longines HydroConquest L37884906 features a black dial and blue ceramic bezel, with an automatic movement providing reliable performance. The watch has a robust build, unidirectional dive bezel, and strong water resistance, making it a capable tool watch while maintaining a refined aesthetic.

  • Condition: Excellent (pre-owned, minimal wear)
  • Year: 2026
  • Case size: 42mm diameter
  • Case material: Stainless steel
Posted at
Apr 30, 2026, 10:26 PM
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[WTS] Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines - HydroConquest · $1,350
This Longines HydroConquest features a green dial and two-tone design.

Posted at
Apr 28, 2026, 9:41 AM
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[WTS] Longines HydroConquest 43mm

Longines HydroConquest 43mm

A Longines HydroConquest 43mm diver watch for sale, with excellent timekeeping and minimal signs of wear.

  • Condition: Pre-owned with normal wear
  • Bracelet condition: normal wear with worn clasp
  • Case condition: scratch-free except on the back
  • Papers included: true
Posted at
Apr 27, 2026, 9:05 PM
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[WTS] Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

This is a brand new, unworn Longines HydroConquest limited edition watch from the 2026 Commonwealth Games collection. It features a 39mm case and comes with various accessories.

  • Condition: Brand New Unworn
  • Case size: 39mm
  • Limited edition status: One of 2026
Posted at
Apr 27, 2026, 11:58 AM
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[WTS] Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

This Longines Hydroconquest features a 41mm ceramic case, black dial, and is sized for an approximate 7.4" wrist.

  • Condition: Pre-owned with scratches on the case and bracelet
  • Case material: ceramic
  • Bracelet size: 7.4in diameter
  • Warranty: no warranty included
Posted at
Apr 26, 2026, 7:58 PM
Active