Longines HydroConquest HydroConquest 43 Automatic Stainless Steel - Yellow Gold / Black / Bracelet

Reference L3.782.3.56.7

About this watch

The Longines HydroConquest 43 Automatic Stainless Steel - L3.782.3.56.7 is a statement piece that combines elegance and practicality. With its robust features, stunning design, and reliable movement, this watch proves that you don't have to sacrifice style for functionality. The black sunburst dial is like a night sky with stars, shimmering under various lights. Yellow gold accents provide a luxurious contrast, making it not just a watch but a piece of jewelry. The stainless steel and PVD gold coating enhance its durability while maintaining that captivating allure. The bracelet is crafted from stainless steel with a perfect blend of comfort and elegance, feeling substantial yet surprisingly light on the wrist. At the heart of the HydroConquest is the Longines caliber L888.5, a self-winding movement that boasts a frequency of 25,200 vibrations per hour. It features a silicon balance spring, which enhances its precision and reliability. With a power reserve of 64 hours, this movement ensures that you won't need to wind it every day, making it perfect for those who appreciate convenience.
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Key Features

  • Black sunburst dial with yellow gold accents
  • Longines caliber L888.5 self-winding movement
  • Water resistance up to 300 meters
  • Stainless steel and PVD gold coating
  • Sapphire crystal resistant to scratches
  • 43mm diameter with 11.90mm height
  • 21mm lug width for adjustable fit

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 43 Automatic Stainless Steel - Yellow Gold / Black / Bracelet
Reference
L3.782.3.56.7
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
43mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

For sale is my Longines Hydroconquest 41m ceramic automatic in green. It's a stainless steel case with ceramic bezel and Swiss automatic movement (Longines Calibre L888 series) with approx. 72 hr power reserve.

  • Condition: Used
  • Case Size: 41 mm diameter
  • Case Material: Stainless steel case
  • Movement: Longines Calibre L888 series, approx. 72 hr power reserve
Posted at
Feb 6, 2026, 9:31 AM
Active
[WTS] Longines HydroConquest (Ref. L3.782.4.96.6) $975

Longines HydroConquest (Ref. L3.782.4.96.6) $975

The Longines HydroConquest is a 43mm Swiss automatic diver’s watch featuring a sunray blue dial and 300 meter water resistance.

  • Condition: Very good pre-owned
  • Diameter: 43mm
  • Water Resistance: 300m depth rating
  • Movement: L888 caliber
Posted at
Feb 4, 2026, 11:11 PM
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 · $999
2024 Longines HydroConquest 43mm Black Ceramic watch for sale.

  • Case Size: 43mm
  • Year: 2024
Posted at
Jan 30, 2026, 9:33 PM
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 · $999
A 2024 Longines HydroConquest watch with a 43mm black ceramic case.

  • Case material: black ceramic
  • Size: 43mm diameter
  • Year: 2024
Posted at
Jan 23, 2026, 6:43 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