Longines HydroConquest HydroConquest 44 Automatic Stainless Steel / Black / Bracelet

Reference L3.841.4.56.6

About this watch

The Longines HydroConquest 44 Automatic is a prime contender for watches that seamlessly blend style with functionality. This watch offers an impressive combination of features that cater to both aesthetics and practicality, making it a popular choice among divers and watch aficionados alike. The HydroConquest collection embodies the spirit of adventure and exploration, with a robust design and reliable functionality that stands out from other timepieces. With its large 44mm case diameter and sleek stainless steel finish, this watch commands attention without being overly flashy. The black dial is adorned with mixed indexes and proprietary hands that enhance readability, while the luminous markers ensure that you can tell the time even in low-light conditions. At the core of the HydroConquest 44 is the Longines caliber L888.2 automatic movement, boasting a 65-hour power reserve and operating at a frequency of 25,200 vibrations per hour. This watch isn't just about looks; it's built for performance, covering all the basics with features like hours, minutes, seconds, and a date function. One of the standout features is its impressive water resistance of up to 300 meters, making it suitable for professional diving and allowing you to track dive times accurately. The rotating bezel further enhances its functionality, while the stainless steel bracelet is sturdy yet comfortable, fitting snugly on the wrist without feeling overly tight.
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Key Features

  • 44mm Stainless Steel Case
  • Black Rotating Bezel with 0-60 Markings (Dive)
  • Sapphire Glass for Scratch Resistance
  • Longines Caliber L888.2 Automatic Movement
  • 65-Hour Power Reserve and 25,200 VPH Frequency
  • Water Resistance up to 300 Meters (Diving Depth)
  • Date Function and Rotating Bezel for Accurate Dive Timing

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 44 Automatic Stainless Steel / Black / Bracelet
Reference
L3.841.4.56.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 44mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest GMT 41mm L3.790.4

Longines HydroConquest GMT 41mm L3.790.4

Longines - L3.790.4 · $1,799
This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.

  • Bracelet Length: 6.5 inches
  • Case Size: 41mm
Posted at
Feb 19, 2026, 5:35 PM
Active
[WTS] Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines - L3.782.4 · $1,095
This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.

  • Condition: very good
  • Case size: 43mm diameter
  • Case wear: normal wear consistent with careful use
Posted at
Feb 18, 2026, 4:40 PM
Active
[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.

  • Condition: Used with signs of wear
  • Case diameter: 41 mm
  • Water resistance: 300m / 30 bar
  • Movement: Longines Calibre L888 series with 72hr power reserve
Posted at
Feb 16, 2026, 4:12 PM
Active
[WTS] Longines Hydroconquest 41mm Blue - $850

Longines Hydroconquest 41mm Blue - $850

Longines - L37424966 · $850
A Longines Hydroconquest 41mm automatic diver features a blue sunburst dial, matching blue ceramic bezel and has excellent timekeeping capabilities.

  • Condition: Excellent with light signs of wear
  • Case size: 41mm diameter
  • Bezel material: Ceramic
  • Bracelet condition: Light scuffs on the clasp
Posted at
Feb 11, 2026, 1:00 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