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 Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber & 2 Bespoke Straps

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber & 2 Bespoke Straps

Longines - L3.782.3.98.9 · $1,099
A two-tone Longines Hydroconquest with a sunburst blue dial, featuring a 41mm case and various strap options.

  • Condition: Mint
  • Case Size: 41mm
  • Dial Color: sunburst blue
  • Straps: 2 additional bespoke straps, 1 grey alligator leather, 1 blue babele calf leather
Posted at
Jan 2, 2026, 2:30 PM
Active
[WTS] Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines - L3.742.4 · $700
This Longines Hydroconquest L3.742.4 is a 41mm automatic diver's watch that keeps time well and runs smoothly.

  • Condition: Good overall, with minor scratches on the bezel and case
  • Case Size: 41mm diameter
  • Movement Type: automatic
Posted at
Dec 24, 2025, 11:07 AM
Active
[WTS] Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines - L3.782.3.98.9 · $1,099
This is a two-tone Longines Hydroconquest with a radiant sunburst blue dial, featuring a 41mm version of the watch that's more wearable than its 43mm counterpart.

  • Condition: Mint on OEM rubber strap
  • Model size: 41mm diameter
  • Case material: two tone
  • Bezel type: ceramic
Posted at
Dec 22, 2025, 10:59 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