Longines HydroConquest HydroConquest 44 Quartz Stainless Steel / Blue / Bracelet

Reference L3.840.4.96.6

About this watch

The Longines HydroConquest 44 Quartz Stainless Steel / Blue / Bracelet is a stunning timepiece that seamlessly blends style, functionality, and durability. Its striking blue dial and robust design make it a perfect fit for those who appreciate diving watches without sacrificing sophistication. The round shape and polished stainless steel case exude elegance, while the rotating bezel with a 0-60 scale adds to the watch's sporty appeal. With a water resistance rating of 300 meters, this watch is built to withstand the pressure of any adventure. At its heart lies the Longines caliber L157, a reliable quartz movement known for its accuracy and reliability. The stainless steel bracelet feels sturdy yet comfortable, making it suitable for all-day wear. Whether you're diving into the deep sea or just enjoying a day at the beach, this watch is designed to perform under pressure, both literally and figuratively.
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Key Features

  • 44mm diameter stainless steel case
  • 300m water resistance rating
  • Longines Caliber L157 quartz movement
  • Stunning blue dial with mixed indexes and proprietary hands
  • Rotating bezel with 0-60 scale for diving and navigation
  • Durable sapphire crystal glass for excellent protection against impacts and scratches
  • Stainless steel bracelet with folding clasp for secure fit

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 44 Quartz Stainless Steel / Blue / Bracelet
Reference
L3.840.4.96.6
Movement
l157
Movement Features
  • Hours, Seconds, Minutes
  • Date
Case
Stainless Steel 44mm
Dial Color
Blue
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