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

Longines Hydroconquest 43mm (updated pictures)

Longines - L3.782.4.56.6 · $1,260

This Longines Hydroconquest 43mm features a black dial on a stainless steel bracelet and has been worn only 4-6 times since its purchase. It comes with a full set, including the box, tags, warranty cards, and is still under Jomashop's 2-year warranty.

Condition: Fantastic, worn 4-6 times
Case size: 43mm
Lug to lug: 53mm
Thickness: 11.90mm

Posted at

May 9, 2026, 4:10 PM

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(brand new) Longines HydroConquest 39mm - $1800 shipped

Longines - HydroConquest · $1,800

This brand new Longines HydroConquest features a black dial, stainless steel case and bracelet, sapphire crystal with anti-reflective coating, and is powered by the L888.4 automatic movement.

Condition: Unworn
Case material: stainless steel
Bracelet material: stainless steel
Water resistance: 300m

Posted at

May 9, 2026, 1:11 PM

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2026 Longines HydroConquest 39mm - Black Ceramic - Newest Release - Full Set

Longines - L3.779.4.56.6 · $1,900

The newly redesigned Longines HydroConquest in the highly sought-after 39mm size, featuring a refined dial and upgraded bracelet.

Condition: Excellent Used Condition
Size: 39mm diameter
Thickness: ~11.9mm
Lug-to-lug length: 47mm

Posted at

May 7, 2026, 8:43 PM

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Longines Hydroconquest GMT 41mm

Longines - Hydroconquest GMT 41mm · $1,875

A black dial Longines Hydroconquest GMT watch with a 41mm case size, comes complete with a full set including a dated warranty card.

Condition: Pre-owned, minor signs of wear
Diameter: 41mm
Case material: unknown
Band: no details provided

Posted at

May 7, 2026, 3:36 PM

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Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.

Longines - L3.782.4.56.6 · $1,350

A Longines Hydroconquest 43mm watch on a black dial with a stainless steel bracelet, now on an Ali Rubber strap.

Condition: Mint condition, worn approximately 5 times
Case size: 43mm diameter
Lug to lug: 53mm
Thickness: 11.90mm

Posted at

May 7, 2026, 4:43 AM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines - L3.740.3.56.7 · $600

This Longines Hydroconquest is a 41mm two-tone diver's watch with a quartz movement.

Condition: Used with light scratches
Size: 41mm diameter

Posted at

May 6, 2026, 9:43 PM

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2025 Longines Hydroconquest 41mm Ref: L37814056

Longines - L37814056 · $1,300

This listing is for a 2025 Longines Hydroconquest 41mm watch, featuring an automatic self-winding caliber L888.5, unidirectional green ceramic bezel, and 300M water resistance.

Condition: Like new with some minor marks on the bracelet and buckle
Case size: 41mm
Bracelet type: Stainless steel
Water resistance: 300m depth rating

Posted at

May 6, 2026, 8:37 PM

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Longines Hydroconquest 42 mm “Green” 2026

Longines - Hydroconquest 42mm · $1,800

Up for sale is one of my new Longines Hydroconquest 42mm watches, I purchased several but find myself gravitating towards other models.

Condition: New
Case size: 42mm diameter

Posted at

May 6, 2026, 7:28 PM

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(Longines) (2026 Hydroconquest 39mm Commonwealth) Brand New and Unworn

Longines - L3.779.4.09.9 · $2,650

This is a Limited Edition Hydroconquest Commonwealth Games watch from Longines, purchased brand new from an authorized dealer and still under warranty.

Case diameter: 39mm
Box condition: great condition with exception of price sticker on outer box

Posted at

May 6, 2026, 5:30 PM

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