Longines HydroConquest HydroConquest 43 Automatic Stainless Steel / Ceramic / Grey / Rubber

Reference L3.782.4.76.9

About this watch

The Longines HydroConquest 43 is a luxury dive watch that embodies craftsmanship, adventure, and style. With its stunning grey dial, high-quality stainless steel case, and ceramic bezel, this timepiece exudes sophistication and ruggedness. The automatic movement, powered by the reliable Longines Caliber L888.2, offers an impressive 65-hour power reserve and is designed to minimize friction for enhanced accuracy. The watch features a rotating bezel for precise timing, water resistance up to 300 meters, and a comfortable rubber strap. Its elegant design makes it suitable for both formal events and diving adventures. With its unique blend of style, functionality, and durability, the HydroConquest 43 is an excellent choice for those seeking a reliable companion for their adventures.
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Key Features

  • Stunning grey dial with bold yet sophisticated design
  • High-quality stainless steel case with ceramic bezel
  • Reliable Longines Caliber L888.2 automatic movement with 65-hour power reserve
  • Water resistance up to 300 meters (1000 feet)
  • Rotating bezel for precise timing and diving functionality
  • Comfortable rubber strap for everyday wear

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 43 Automatic Stainless Steel / Ceramic / Grey / Rubber
Reference
L3.782.4.76.9
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 43mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest GMT 41mm L3.790.4.56.6

Longines Hydroconquest GMT 41mm L3.790.4.56.6

Longines - L3.790.4.56.6 · $1,750
A modern classic Longines Hydroconquest GMT in great condition, with a flawless glass and excellent case.

  • Condition: Pre-loved, great condition with typical bracelet wear
  • Case Size: 41mm
  • Bracelet Condition: typical wear
Posted at
Mar 18, 2026, 5:57 PM
Active
[WTS] Longines HydroConquest 41mm Two Tone $1750

Longines HydroConquest 41mm Two Tone $1750

Longines - HydroConquest · $1,750
Longines HydroConquest in a two-tone version, sold as-is.

  • 41mm diameter: case size
Posted at
Mar 18, 2026, 12:52 PM
Active
[WTS] Longines Hydroconquest Two-tone 41mm

Longines Hydroconquest Two-tone 41mm

This Longines Hydroconquest Two-Tone is a 41mm watch that comes with all its original components, including a blank card.

  • Condition: Absolutely beautiful condition!
  • Case size: 41mm
Posted at
Mar 16, 2026, 1:57 PM
Active
[WTS] Longines Hydroconquest GMT 41mm

Longines Hydroconquest GMT 41mm

The Longines Hydroconquest GMT is a blue-dialed watch featuring a GMT complication, housed in a 41mm case. It comes with a complete full set and eBay verification.

  • Condition: Pre-owned with minor wear
  • Case size: 41mm
  • Bracelet condition: Minor wear
Posted at
Mar 15, 2026, 5:06 PM
Active
[WTS] Longines HydroConquest GMT 41

Longines HydroConquest GMT 41

Longines - L3.790.4 · $1,875
A Longines HydroConquest GMT 41, featuring a GMT function and 41mm case size.

  • Condition: Pre-owned with minor cosmetic flaws
  • Case size: 41mm diameter
  • Water resistance: not specified
Posted at
Mar 11, 2026, 3:01 PM
Active
[WTS] Longines HydroConquest 41mm - $1200 Shipped

Longines HydroConquest 41mm - $1200 Shipped

Up for sale is my green Longines Hydroconquest 41, which I'm looking to replace with a Tudor Royal Date Day. The watch has been well taken care of and comes in excellent condition.

  • Condition: great condition with a small scratch on the AR coating
  • Bracelet condition: touched up
Posted at
Mar 10, 2026, 10:24 PM
Active
[WTS] 2025 Longines HydroConquest 39 - $950

2025 Longines HydroConquest 39 - $950

This is a 2025 Longines HydroConquest 39, a great everyday diver presented as a complete set. It has honest signs of wear and comes with a watch maxx kit, box, papers, and full links.

  • Condition: Good overall condition with visible signs of wear
  • Year: 2025
  • Included Accessories: Watch maxx kit,Box,Papers,Full links
  • Shipping Options: Buyer add $30 FedEx 2-Day Air or provide own label
Posted at
Mar 7, 2026, 5:21 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