Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Black / Bracelet

Reference L3.742.4.56.6

About this watch

The Longines HydroConquest L3.742.4.56.6 is a stunning timepiece that effortlessly blends style and functionality. At its heart lies the reliable Longines caliber L888.2 movement, boasting a 65-hour power reserve and impressive water resistance of up to 300 meters. This robust design is built to last, with a high-quality stainless steel case and scratch-resistant sapphire crystal. The rotating bezel adds a sporty touch, while luminous hour indexes and hands ensure readability in any lighting condition. Whether you're snorkeling or simply dressing for a night out, this watch is the perfect companion. Its elegant design paired with robust functionality makes it suitable for both casual and formal settings. With its impressive water resistance, comfortable fit, and stylish design, the Longines HydroConquest L3.742.4.56.6 is an excellent choice for anyone looking to invest in a high-quality timepiece.
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Key Features

  • Longines caliber L888.2 movement
  • Impressive water resistance of up to 300 meters
  • High-quality stainless steel case
  • Scratch-resistant sapphire crystal
  • Rotating bezel with 0-60 dive function
  • Luminous hour indexes and hands for readability
  • Stylish black dial design

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Black / Bracelet
Reference
L3.742.4.56.6
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 HyrdroConquest L3.742.4.56.6 Complete set + OEM Stainless Steel Bracelet

Longines HyrdroConquest L3.742.4.56.6 Complete set + OEM Stainless Steel Bracelet

For sale is a Longines Hydroconquest, this watch comes with its complete set including an OEM stainless steel bracelet.

  • Condition: great condition with light wear on the bracelet and case
  • Bracelet type: stainless steel
  • Payment methods accepted: crypto, other payment methods (except PayPal)
  • Trade options: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 17, 2026, 12:17 PM
Active
[WTS] Longines HyrdroConquest L3.742.4.56.6 Complete set + OEM Stainless Steel Bracelet

Longines HyrdroConquest L3.742.4.56.6 Complete set + OEM Stainless Steel Bracelet

This Longines Hydroconquest is a great example of a rugged yet stylish watch, featuring a stainless steel case and a durable design that can withstand everyday wear.

  • Condition: Great condition with some light wear on the bracelet and case
  • Bracelet type: Stainless Steel (OEM)
  • Payment methods accepted: Multiple payment methods including crypto
  • Trade options: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 10, 2026, 1:23 PM
Active
[WTS] Longines HydroConquest GMT 41mm Black, Full Kit, June 2025

Longines HydroConquest GMT 41mm Black, Full Kit, June 2025

Up for sale is my mint condition Longines HydroConquest GMT, a full kit with box, papers, tags, and over 4 years left on the factory warranty.

  • Condition: Mint condition
  • Case dimensions: 41mm diameter, 49mm lug to lug, 12.9mm thickness
  • Movement: L844.5 with 72hrs power reserve
  • Water resistance: 300m
Posted at
Apr 19, 2026, 10:47 PM
Active
[WTS] Longines Hydroconquest 39mm Black MINT

Longines Hydroconquest 39mm Black MINT

A mint condition Longines Hydroconquest 39mm in black with a super comfortable bracelet and excellent bezel action.

  • Condition: MINT
  • Bracelet type: Super comfortable bracelet
  • Clasp type: Excellent on the fly clasp
  • Bezel action: Great bezel action
Posted at
Apr 19, 2026, 9:12 AM
Active
[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
Active
[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
Active
[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
Active
[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

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
Active
[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
Active