Longines HydroConquest HydroConquest 41 Automatic Chronograph Stainless Steel / Black / Bracelet

Reference L3.744.4.56.6

About this watch

The Longines HydroConquest 41 Automatic Chronograph is a timepiece that perfectly balances functionality, style, and durability. This watch, known by its reference number L3.744.4.56.6, is part of Longines' renowned HydroConquest family and offers impressive features that make it stand out in the crowded field of dive watches. The round stainless steel case exudes durability while remaining lightweight on the wrist, making it suitable for both casual outings and formal occasions. The black dial features a mix of indexes and proprietary hands that enhance readability and contribute to the watch's overall aesthetic appeal. With luminous hour markers and hands, it ensures visibility even in low-light conditions. The chronograph sub-dials add complexity and functionality, allowing you to measure elapsed time with precision. Longines has carefully designed these elements to serve a purpose while adding to the watch's character. One of the standout features is its automatic chronograph movement, powered by the Longines caliber L688.2, boasting 27 jewels for accuracy and longevity. With a power reserve of 54 hours and a frequency of 28,800 vibrations per hour, you can trust this watch to keep ticking whether diving deep or enjoying casual days out. The HydroConquest does not disappoint in terms of durability, with a water resistance of 300 meters, making it ideal for divers. The stainless steel case and rotating bezel marked from 0 to 60 provide a robust structure and functional timing features. A sapphire crystal protects the watch from minor scratches, ensuring its clarity and transparency. When it comes to wearing a watch, comfort is key, and the HydroConquest 41 features an adjustable stainless steel bracelet that provides a snug fit on the wrist. With its impressive specifications, durable build, and elegant design, this watch is a reliable choice for anyone seeking a versatile timepiece.
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Key Features

  • Longines caliber L688.2 automatic chronograph movement
  • 300 meters water resistance
  • 41.00 mm diameter stainless steel case
  • Adjustable stainless steel bracelet for comfort fit
  • Sapphire crystal for scratch resistance and clarity

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Chronograph Stainless Steel / Black / Bracelet
Reference
L3.744.4.56.6
Movement
l688-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Green Longines Hydroconquest GMT, MINT

Green Longines Hydroconquest GMT, MINT

Longines - L3.790.4.06.6 · $1,700
The Longines HydroConquest GMT is a travel diver watch with a stunning sunray green dial, 300m water resistance, ceramic bezel, and a true travel-hour hand.

  • Condition: mint
  • Box And Papers: yes
  • Extra Links: yes
  • Water Resistance: 300m
Posted at
May 4, 2025, 12:55 PM
Active
[WTS] Longines HydroConquest Blue - L3.780.4.96.6

Longines HydroConquest Blue - L3.780.4.96.6

Longines - L3.780.4.96.6 · $1,000
A Longines HydroConquest Blue watch with a retail price of $1850 is being sold for $1000.

Posted at
May 3, 2025, 4:30 PM
Active
[WTS]  Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

Longines - L3.780.4.56.6 · $1,150
The Longines HydroConquest 39 mm Black is a stainless steel automatic watch with a black sunray dial, applied indices, and date at 3 o'clock. It features a matte black ceramic bezel, sapphire crystal with AR coating, and a 300m water resistance.

  • Condition: Very good, with light desk-wear and a few small hairline scratches
  • Case Size: 39 mm diameter
  • Water Resistance: 300 m depth rating
  • Movement: Longines L888 automatic, up to 72 hr power reserve
Posted at
May 3, 2025, 1:07 PM
Active
[WTS][CA-USA][H] Longines Hydroconquest 41mm Blue | Seiko Prospex “62MAS” SPB423 US Special Edition | Hamilton Murph 42mm | Seiko Speedtimer Panda SSC813 | Orient Dive 43mm  [W] $800 | $700 | $625 | $400 | $150 PayPal F&F, venmo, zelle, local cash

[CA-USA][H] Longines Hydroconquest 41mm Blue | Seiko Prospex “62MAS” SPB423 US Special Edition | Hamilton Murph 42mm | Seiko Speedtimer Panda SSC813 | Orient Dive 43mm [W] $800 | $700 | $625 | $400 | $150 PayPal F&F, venmo, zelle, local cash

Legendary Hydroconquest auto blue with gray market warranty, purchased last month and comes full kit with stock bracelet.

  • Gray market warranty: yes
  • Purchase date: last month
  • Warranty status: never been worn outside
Posted at
May 2, 2025, 9:56 PM
Active
[WTS] Longines Hydroconquest 41mm w/ Box *Price Drop*

Longines Hydroconquest 41mm w/ Box *Price Drop*

A Longines Hydroconquest watch with a 41mm case size, excluding the crown guards, and a 7 inch wrist bracelet. It comes in its original box.

  • Bracelet Size: 7 inch
  • Case Diameter: 41mm
Posted at
Apr 28, 2025, 4:52 PM
Active
[WTS] Longines Hydroconquest 43MM

Longines Hydroconquest 43MM

A Longines HydroConquest Automatic men's watch with a 43mm blue dial and ceramic bezel, featuring minor scratches on the link.

  • Condition: minor scratches on the links
  • Case size: 43mm diameter
  • Movement type: automatic
Posted at
Apr 21, 2025, 11:49 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