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 43mm - $950

Longines Hydroconquest 43mm - $950

This Longines HydroConquest 43mm is in excellent working order and comes with a WatchMaxx full kit.

  • Condition: Great condition
  • Depth rating: 200m
Posted at
Aug 21, 2025, 12:02 AM
Active
[WTS] Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines - L3.780.3 · $999
a Longines HydroConquest Ref. L3.780.3, a Two-Tone Steel & Rose Gold PVD automatic diver watch with a 39mm case size.

  • Case Material: steel and rose gold PVD
  • Water Resistance: 39mm diameter
Posted at
Aug 18, 2025, 9:52 PM
Active
[WTS] Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines - L3.781.4.05.2 · $1,240
This Longines HydroConquest features a green ceramic bezel, automatic movement with date display, and a power reserve of up to 72 hours.

  • Condition: Like new/never worn
  • Case size: 41mm diameter
  • Water resistance: 30 bar
  • Crystal material: scratch-resistant sapphire crystal
Posted at
Aug 18, 2025, 7:39 PM
Active
[WTS] Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

41mm Longines Hydroconquest GMT with full set of extras, including OEM rubber strap and two additional straps.

  • Condition: Excellent
  • Case size: 41mm
  • Included extras: Longines black rubber strap, Longines style leather strap, orange cut-to-size strap
Posted at
Aug 11, 2025, 4:30 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