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 43mm - $950

Longines Hydroconquest 43mm - $950

This Longines HydroConquest 43mm is in excellent working order and comes with a WatchMaxx full kit.

  • Condition: Great condition
  • Depth rating: 200m
Posted at
Aug 21, 2025, 12:02 AM
Active
[WTS] Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines - L3.780.3 · $999
a Longines HydroConquest Ref. L3.780.3, a Two-Tone Steel & Rose Gold PVD automatic diver watch with a 39mm case size.

  • Case Material: steel and rose gold PVD
  • Water Resistance: 39mm diameter
Posted at
Aug 18, 2025, 9:52 PM
Active
[WTS] Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines - L3.781.4.05.2 · $1,240
This Longines HydroConquest features a green ceramic bezel, automatic movement with date display, and a power reserve of up to 72 hours.

  • Condition: Like new/never worn
  • Case size: 41mm diameter
  • Water resistance: 30 bar
  • Crystal material: scratch-resistant sapphire crystal
Posted at
Aug 18, 2025, 7:39 PM
Active
[WTS] Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

41mm Longines Hydroconquest GMT with full set of extras, including OEM rubber strap and two additional straps.

  • Condition: Excellent
  • Case size: 41mm
  • Included extras: Longines black rubber strap, Longines style leather strap, orange cut-to-size strap
Posted at
Aug 11, 2025, 4:30 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