Longines HydroConquest HydroConquest 41 Automatic PVD / Black / Bracelet / Japan

Reference L3.742.2.56.6

About this watch

The Longines HydroConquest 41 Automatic PVD / Black / Bracelet / Japan is a masterpiece of luxury watchmaking. This limited edition timepiece combines sophistication with robust functionality, making it the perfect companion for both diving enthusiasts and everyday wearers. The round case exudes elegance, while the black PVD coating adds a touch of sportiness. The 41mm diameter strikes the perfect balance between presence and wearability, ensuring that this watch will turn heads in any setting. The dial is a rich black that enhances visibility, with stick and dot indexes providing clarity whether you’re under the sea or on land. The proprietary hands glide smoothly across the dial, making it easy to tell the time at a glance. One of the highlights of any diving watch is its bezel, and the HydroConquest doesn’t disappoint. The 0-60 rotating bezel is perfect for timing dives, allowing you to track your underwater adventures with ease. The tactile feel of the bezel adds to the overall experience, making it a joy to use. At the heart of this watch lies the Longines caliber L888.2, an automatic movement that promises reliability and precision. Boasting a 65-hour power reserve, this timepiece will keep ticking even if you take it off for a weekend getaway. The stainless steel case combined with the PVD coating gives it extra durability, making it a reliable companion for any adventure. With a water resistance of 300 meters, you can take this beauty on your next diving expedition without a second thought. Whether you’re scaling mountains or navigating a crowded city, the sapphire crystal will protect your timepiece from unsightly scratches. The stylish bracelet complements its bold design, ensuring that this watch sits snugly on your wrist without being too tight or loose.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • 41mm diameter stainless steel case with PVD coating
  • Longines caliber L888.2 automatic movement
  • Sapphire crystal for scratch resistance
  • 300m water resistance
  • Rotating 0-60 dive bezel
  • Limited edition of 500 units
  • Stylish black dial with stick and dot indexes

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic PVD / Black / Bracelet / Japan
Reference
L3.742.2.56.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] 2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

Longines - L37884906 · $1,900
The Longines HydroConquest L37884906 features a black dial and blue ceramic bezel, with an automatic movement providing reliable performance. The watch has a robust build, unidirectional dive bezel, and strong water resistance, making it a capable tool watch while maintaining a refined aesthetic.

  • Condition: Excellent (pre-owned, minimal wear)
  • Year: 2026
  • Case size: 42mm diameter
  • Case material: Stainless steel
Posted at
Apr 30, 2026, 10:26 PM
Active
[WTS] Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines - HydroConquest · $1,350
This Longines HydroConquest features a green dial and two-tone design.

Posted at
Apr 28, 2026, 9:41 AM
Active
[WTS] Longines HydroConquest 43mm

Longines HydroConquest 43mm

A Longines HydroConquest 43mm diver watch for sale, with excellent timekeeping and minimal signs of wear.

  • Condition: Pre-owned with normal wear
  • Bracelet condition: normal wear with worn clasp
  • Case condition: scratch-free except on the back
  • Papers included: true
Posted at
Apr 27, 2026, 9:05 PM
Active
[WTS] Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

This is a brand new, unworn Longines HydroConquest limited edition watch from the 2026 Commonwealth Games collection. It features a 39mm case and comes with various accessories.

  • Condition: Brand New Unworn
  • Case size: 39mm
  • Limited edition status: One of 2026
Posted at
Apr 27, 2026, 11:58 AM
Active
[WTS] Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

This Longines Hydroconquest features a 41mm ceramic case, black dial, and is sized for an approximate 7.4" wrist.

  • Condition: Pre-owned with scratches on the case and bracelet
  • Case material: ceramic
  • Bracelet size: 7.4in diameter
  • Warranty: no warranty included
Posted at
Apr 26, 2026, 7:58 PM
Active
[WTS] Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700

Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700

Two Longines watches for sale, the Conquest L3.776.4 and the HydroConquest L3.741.4.

  • Condition: Very good
  • Case size: 39 mm
  • Year purchased: 2025
  • Clasp wear: minor wear on clasp from being stored at work desk
Posted at
Apr 25, 2026, 1:54 PM
Active
[WTS] Longines HydroConquest 41 – $975

Longines HydroConquest 41 – $975

This Longines HydroConquest 41 features a 41mm case, minimal wear, and comes with its box, papers, hangtag, and warranty card.

  • Condition: Very Good Pre-owned Condition
  • Case Size: 41mm diameter
  • Bracelet Condition: hairlines throughout polished surfaces, some desk wear
Posted at
Apr 25, 2026, 10:32 AM
Active
[WTS] Brand New Longines Hydroconquest Exclusive- 42mm- L3.788.4.98.6

Brand New Longines Hydroconquest Exclusive- 42mm- L3.788.4.98.6

Longines - L3.788.4.98.6 · $2,200
The Longines Hydroconquest Exclusive features a 42mm case with a beautiful frosted blue dial and comes in brand new condition.

  • Condition: Brand new, unworn
  • Case size: 42mm
Posted at
Apr 24, 2026, 6:24 PM
Active
[WTS] New Longines HydroConquest 42mm

New Longines HydroConquest 42mm

A new Longines HydroConquest in the 42mm size, with a mesh band and box and papers included.

  • Condition: New
  • Case Size: 42mm
  • Band Type: mesh
Posted at
Apr 23, 2026, 8:54 AM
Active