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.
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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] Longines Hydroconquest SS Rose Gold Accents 39mm Ref L3.780.3.78.6 2024 Full Kit plus rubber strap $1100 net to me

Longines Hydroconquest SS Rose Gold Accents 39mm Ref L3.780.3.78.6 2024 Full Kit plus rubber strap $1100 net to me

Longines - L3.780.3.78.6 · $1,100
A Longines Hydroconquest SS watch with rose gold accents and a sunray grey dial, featuring a 39mm case and various water resistance and durability features.

  • Condition: Pre-owned
  • Case Size: 39mm diameter
  • Lug Width: 19mm
  • Thickness: 12mm
Posted at
Aug 23, 2025, 10:43 AM
Active
[WTS] Longines Hydroconquest 43mm - $950

Longines Hydroconquest 43mm - $950

This Longines HydroConquest 43mm is in excellent working order and comes with a WatchMaxx full kit.

  • Condition: Great condition
  • Depth rating: 200m
Posted at
Aug 21, 2025, 12:02 AM
Active
[WTS] Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines - L3.780.3 · $999
a Longines HydroConquest Ref. L3.780.3, a Two-Tone Steel & Rose Gold PVD automatic diver watch with a 39mm case size.

  • Case Material: steel and rose gold PVD
  • Water Resistance: 39mm diameter
Posted at
Aug 18, 2025, 9:52 PM
Active
[WTS] Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines - L3.781.4.05.2 · $1,240
This Longines HydroConquest features a green ceramic bezel, automatic movement with date display, and a power reserve of up to 72 hours.

  • Condition: Like new/never worn
  • Case size: 41mm diameter
  • Water resistance: 30 bar
  • Crystal material: scratch-resistant sapphire crystal
Posted at
Aug 18, 2025, 7:39 PM
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[WTS] Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

41mm Longines Hydroconquest GMT with full set of extras, including OEM rubber strap and two additional straps.

  • Condition: Excellent
  • Case size: 41mm
  • Included extras: Longines black rubber strap, Longines style leather strap, orange cut-to-size strap
Posted at
Aug 11, 2025, 4:30 PM
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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