Longines HydroConquest HydroConquest 43 Automatic Stainless Steel / Ceramic / Black / Bracelet

Reference L3.782.4.56.6

About this watch

The Longines HydroConquest L3.782.4.56.6 is a luxury dive watch that perfectly blends form and function. Its bold black dial, complemented by a stainless steel case, exudes elegance while its 43mm diameter and rotating bezel with 0-60 scale make it suitable for both casual and formal occasions. The Longines Caliber L888.2 automatic movement boasts a power reserve of 65 hours and features hours, minutes, seconds, and a date display. With a water resistance of 300 meters and scratch-resistant sapphire crystal, this watch is designed to withstand the elements. Its versatility allows it to transition seamlessly from a day at the beach to a night out on the town, making it a statement piece for any occasion.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Longines Caliber L888.2 automatic movement
  • 43mm stainless steel case with rotating bezel
  • 300m water resistance and scratch-resistant sapphire crystal
  • Date display and accurate timekeeping
  • Comfortable stainless steel bracelet with polished links
  • Bold black dial with luminescent hands for excellent legibility

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 43 Automatic Stainless Steel / Ceramic / Black / Bracelet
Reference
L3.782.4.56.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 43mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[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
[WTS] Longines - HydroConquest

Longines - HydroConquest

Longines HydroConquest with ceramic bezel in excellent condition. Comes complete with both boxes, hangtags, manual, extra links, and a Joma card.

Posted at
Mar 2, 2026, 10:06 PM
Active
[WTS] Longines Hydroconquest Blue 39mm - $1150

Longines Hydroconquest Blue 39mm - $1150

Longines - Hydroconquest · $1,150
A blue dial Longines Hydroconquest 39mm watch with a full kit, in excellent condition and keeping good time.

  • Condition: Great condition
  • Year purchased: 2025
  • Warranty duration: 5 years
Posted at
Mar 1, 2026, 8:14 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