Longines HydroConquest HydroConquest 39 Automatic Stainless Steel / Blue / Rubber

Reference L3.780.4.96.9

About this watch

The Longines HydroConquest 39 Automatic is a masterpiece of modern watchmaking that exudes luxury and sophistication. With its stunning blue dial, matte finish, and rotating bezel, this timepiece is a true showstopper. The Longines caliber L888.5 self-winding movement features a silicon balance spring, ensuring accuracy and longevity. Certified as a chronometer, this watch has passed rigorous tests for precision, making it a serious contender in the diving watch category. With its 300-meter water resistance rating, durable rubber strap, and sapphire crystal, this watch is built to withstand the rigors of underwater adventures while maintaining a chic appearance for everyday wear.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • 39mm stainless steel case
  • Longines caliber L888.5 self-winding movement
  • Silicon balance spring for accuracy and longevity
  • 300-meter water resistance rating
  • Sapphire crystal for superior clarity and protection
  • Durable rubber strap with 19mm lug width
  • Certified chronometer for precision

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 39 Automatic Stainless Steel / Blue / Rubber
Reference
L3.780.4.96.9
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

REDUCED Longines HydroConquest 41mm Blue Automatic

REDUCED Longines HydroConquest 41mm Blue Automatic

Longines - HydroConquest · £300.003
The Longines HydroConquest is a blue automatic watch from 2024, purchased brand new with all original box and papers. It features the newest movement, keeping excellent time.

  • Condition: nearly new
  • Movement: ETA C07.621
  • Water Resistance: 300m
Posted at
Jun 8, 2025, 7:04 PM
Active
REDUCED AGAIN Longines HydroConquest 41mm Blue Automatic

REDUCED AGAIN Longines HydroConquest 41mm Blue Automatic

Longines - HydroConquest · £580.006
The Longines HydroConquest is a blue automatic watch with a 41mm diameter case, featuring the newest movement which keeps amazing time at about +1.3spd.

  • Condition: Nearly new
  • Case size: 41mm
  • Movement: newest movement
Posted at
Jun 8, 2025, 7:04 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