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

Reference L3.782.4.76.6

About this watch

The Longines HydroConquest 43 Automatic watch, model reference L3.782.4.76.6, is a testament to Swiss craftsmanship and luxury appeal. This exceptional timepiece combines function and flair, making it perfect for diving enthusiasts and style aficionados alike. With its striking grey ceramic and stainless steel finish, the HydroConquest boasts a modern yet understated design that commands attention without being overly bulky. The round shape and mixed indexes add an element of sophistication, making it a versatile piece suitable for both casual and formal occasions. The dial is where the magic happens, with its rich grey color offering excellent readability thanks to proprietary hands and mixed indexes. The luminous coating ensures that you can easily tell the time even in low-light conditions. Powered by the Longines caliber L888.2, an automatic movement promises reliability and accuracy, with a power reserve of 65 hours. This movement keeps time accurately and features a date function, adding to its practicality. One of the standout features is its impressive 300 meters of water resistance, making it an excellent companion for divers and water sports enthusiasts. The rotating bezel allows for easy tracking of elapsed time, and the sapphire glass protects the dial from scratches while ensuring crystal-clear visibility. With a lug width of 21mm, the bracelet is robust yet feels light on the wrist, providing a luxurious feel while ensuring a secure fit. Adjustable to find that perfect fit, this watch delivers a comfortable experience for any adventure.
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Key Features

  • Automatic Movement with Power Reserve of 65 Hours
  • 300m Water Resistance with Rotating Bezel
  • High-Quality Stainless Steel and Ceramic Construction
  • Sapphire Glass with Crystal-Clear Visibility
  • Adjustable Bracelet with Robust yet Light Design

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 43 Automatic Stainless Steel / Ceramic / Grey / Bracelet
Reference
L3.782.4.76.6
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 L3.742.4 Automatic 41mm Diver $700 OBO

Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines - L3.742.4 · $700
This Longines Hydroconquest L3.742.4 is a 41mm automatic diver's watch that keeps time well and runs smoothly.

  • Condition: Good overall, with minor scratches on the bezel and case
  • Case Size: 41mm diameter
  • Movement Type: automatic
Posted at
Dec 24, 2025, 11:07 AM
Active
[WTS] Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines - L3.782.3.98.9 · $1,099
This is a two-tone Longines Hydroconquest with a radiant sunburst blue dial, featuring a 41mm version of the watch that's more wearable than its 43mm counterpart.

  • Condition: Mint on OEM rubber strap
  • Model size: 41mm diameter
  • Case material: two tone
  • Bezel type: ceramic
Posted at
Dec 22, 2025, 10:59 PM
Active
[WTS] Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta - Oceanking 40 · $1,850
This listing features a Monta Oceanking 40 with a blue bezel and black dial, one of two produced, as well as a Longines Hydroconquest 43 with a gray sunburst dial.

  • Condition: 9.5/10
  • Case size: 40mm
Posted at
Dec 18, 2025, 9:49 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