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

Reference L3.782.3.56.9

About this watch

The Longines HydroConquest L3.782.3.56.9 is a luxurious dive watch that seamlessly blends style and functionality. Its stunning sunburst finish, black dial with yellow gold accents, and 43 mm round case made from stainless steel coated with PVD gold exude elegance and sophistication. The ceramic bezel rotates smoothly, allowing for easy tracking of dive times, while the sapphire glass is virtually scratch-proof. At its heart lies the Longines caliber L888.5, a self-winding movement certified by the Swiss Official Chronometer Testing Institute (COSC) for precision and reliability. With 64 hours of power reserve and a water resistance of 300 meters, this watch is ready for any aquatic adventure. The date function is located at 3 o'clock, making it easy to stay on top of your schedule. A high-quality rubber strap provides exceptional comfort and fits snugly on the wrist. The HydroConquest strikes a perfect balance between lightness and substantiality, making it a luxury piece that's both stylish and durable.
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Key Features

  • 43 mm round stainless steel case
  • Ceramic bezel with rotating dive scale
  • Sapphire crystal glass for scratch resistance
  • Chronometer-certified Longines caliber L888.5 movement
  • 64 hours power reserve
  • 300 meters water resistance
  • Date function at 3 o'clock

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 43 Automatic Stainless Steel - Yellow Gold / Black / Rubber
Reference
L3.782.3.56.9
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
43mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.

  • Condition: Like new in box
  • Diameter: 41mm
  • Bezel material: blue ceramic
Posted at
Oct 18, 2025, 8:33 AM
Active
[WTS] Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.

  • Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
  • Warranty Valid Until: October 2029
  • Size: 39mm
Posted at
Oct 16, 2025, 5:22 PM
Active
[WTS] Longines Hydroconquest 41

Longines Hydroconquest 41

Longines - L3.781.4.05.6 · $1,380
The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.

  • Condition: essentially unworn
  • Shipping: CONUS only
Posted at
Oct 15, 2025, 8:12 PM
Active
[WTS] BNIB Longines HydroConquest

BNIB Longines HydroConquest

The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.

  • Condition: Brand new in box (BNIB)
Posted at
Oct 15, 2025, 7:10 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