Longines HydroConquest Hydroconquest Automatic 39 Black Rubber

Reference L3.694.4.53.2

About this watch

The Longines Hydroconquest Automatic 39 Black Rubber is a masterpiece of luxury watchmaking, blending tradition with innovation. This exceptional timepiece boasts an elegant design, robust features, and advanced technology, making it perfect for both water sports enthusiasts and urban dwellers. The sophisticated black rubber strap complements the stainless steel case, creating a striking contrast that exudes modern sophistication. The dial features Arabic numerals, proprietary hands, and a date window, ensuring accurate timekeeping and effortless legibility. At its heart lies the Longines caliber L619.2, an automatic movement with a frequency of 28,800 vibrations per hour and a 42-hour power reserve. With a water resistance of 300 meters, this watch is built to withstand the rigors of underwater adventures while maintaining an elegant aesthetic. The Hydroconquest is not just a timepiece but a lifestyle accessory that embodies quality, style, and functionality.
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Key Features

  • Automatic Movement with 42-hour Power Reserve
  • 300-meter Water Resistance for Diving and Everyday Wear
  • Elegant Black Rubber Strap for Comfort and Versatility
  • Proprietary Hands for Accurate Timekeeping in Low-Light Conditions
  • Date Window for Convenient Date Display

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Automatic 39 Black Rubber
Reference
L3.694.4.53.2
Movement
l619-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 41mm Blue - $850

Longines Hydroconquest 41mm Blue - $850

Longines - L37424966 · $850
A Longines Hydroconquest 41mm automatic diver features a blue sunburst dial, matching blue ceramic bezel and has excellent timekeeping capabilities.

  • Condition: Excellent with light signs of wear
  • Case size: 41mm diameter
  • Bezel material: Ceramic
  • Bracelet condition: Light scuffs on the clasp
Posted at
Feb 11, 2026, 1:00 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 watch with 43mm black ceramic case.

  • Case material: black ceramic
  • Size: 43mm diameter
Posted at
Feb 8, 2026, 1:07 PM
Active
[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
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