Longines HydroConquest HydroConquest 44 Automatic Stainless Steel / Black / Bracelet

Reference L3.841.4.56.6

Longines HydroConquest 44 Automatic Stainless Steel / Black / Bracelet

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 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2150

Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2150

Longines - L3.784.4.56.9 · $2,150
This Longines HydroConquest features a unique full black ceramic aesthetic, a premium touch with excellent scratch resistance, and a super legible dial in all lighting conditions.

  • Condition: MINT
  • Case diameter: 43mm
  • Thickness: 13mm
  • Lug-to-lug: 56mm
Posted at
Apr 17, 2026, 8:45 PM
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[WTS] Longines HydroConquest 39mm Green Ceramic Bezel 2026 NEW L3.779.4.06.6 – $2800 + shipping

Longines HydroConquest 39mm Green Ceramic Bezel 2026 NEW L3.779.4.06.6 – $2800 + shipping

Longines - L3.779.4.06.6 · $2,800
This Longines HydroConquest features a stunning green ceramic bezel and matching dial, with a 39mm size that wears well on the wrist.

  • Condition: Brand new
  • Case Size: 39mm diameter
  • Bezel Material: green ceramic
Posted at
Apr 17, 2026, 6:00 AM
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[WTS] 2026 Longines Hydroconquest 39mm - Grey Bezel / Black Dial

2026 Longines Hydroconquest 39mm - Grey Bezel / Black Dial

Longines - L3-779-4-70-6 · $2,100
This 2026 Longines Hydroconquest is a 39mm grey bezel/black dial watch, purchased directly from Longines and regularly worn. It's free of major scratches or dents but has minor wear on the back of one lug.

  • Condition: Excellent to LNIB (like new in box)
  • Bracelet length: up to an 8in wrist
  • Bent link pin: one link pin is bent and unusable
  • Included accessories: all original packaging, accessories, and paperwork
Posted at
Apr 16, 2026, 3:09 PM
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[WTS] Longines HydroConquest Sunray Blue- L3.790.4.96.6

Longines HydroConquest Sunray Blue- L3.790.4.96.6

Longines - L3.790.4.96.6 · $2,900
A brand new Longines HydroConquest with sunray blue dial, featuring a new box and papers.

  • Condition: Brand new
  • Box And Papers: brand new
Posted at
Apr 16, 2026, 12:11 PM
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[WTS] Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested

Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested

Longines - HydroConquest GMT · $1,700
The Longines HydroConquest GMT is a 41mm timepiece that comes as a full set including box, papers, and all original accessories. It is in completely unworn condition.

  • Condition: Unworn
  • Case Size: 41mm
  • Set: Full set including box, papers, and all original accessories
Posted at
Apr 16, 2026, 11:26 AM
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[WTS] Longines Hydroconquest GMT 41mm Black (Nov 2024)- $2950 AUD (Sydney, Australia)

Longines Hydroconquest GMT 41mm Black (Nov 2024)- $2950 AUD (Sydney, Australia)

Longines - L3.826.4.53.2 · $2,950
a black Longines Hydroconquest GMT watch with a 41mm case size.

  • Material: Stainless Steel
  • Diameter: 41mm
  • Depth rating: 300m
Posted at
Apr 16, 2026, 9:54 AM
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[WTS] Longines HydroConquest 41mm

Longines HydroConquest 41mm

Longines - L3.781.4.96.6 · $1,100
A Longines HydroConquest 41mm watch with a blue sunburst dial, featuring a clean crystal and flawless dial.

  • Condition: Excellent pre-owned condition
  • Diameter: 41mm
Posted at
Apr 15, 2026, 3:43 PM
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[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines - L3.783.4 · $1,900
This Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the calibre L688.2 column-wheel chronograph movement with a 54-hour power reserve.

  • Condition: Very good with minor usage marks
  • Case Size: 41mm x 51mm stainless steel case, 15.6mm thickness, 21mm lug width
  • Movement: Longines L688.2 automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
  • Water Resistance: 300m (30 ATM)
Posted at
Apr 15, 2026, 11:30 AM
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[WTS] Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines - L3.790.4.56.6 · $1,950
This Longines HydroConquest GMT Black is a modern dive watch with excellent everyday wearability, offering both tool watch functionality and travel convenience.

  • Condition: Excellent pre-owned
  • Case size: 41mm diameter
  • Water resistance: 300m
Posted at
Apr 14, 2026, 9:45 PM
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