Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Yellow Gold / Green / Rubber

Reference L3.781.3.06.9

About this watch

The Longines HydroConquest 41 Automatic L3.781.3.06.9 is an exceptional luxury dive watch that exudes sporty elegance while delivering robust performance. Its striking green dial and PVD gold-coated stainless steel case create a stunning visual effect, while the ceramic bezel enhances durability and scratch resistance. The proprietary hands add a touch of uniqueness to the watch, ensuring readability even in low-light conditions. The date window at three o'clock provides practicality without disrupting the overall balance of the design. With its automatic movement boasting a silicon balance spring, this watch is both precise and robust against magnetic fields, featuring a power reserve of 64 hours and a frequency of 28,800 vibrations per hour. Certified by the COSC, it meets stringent standards for accuracy. The rubber strap offers comfort and flexibility, making it ideal for active lifestyles. With a water resistance of 300 meters, this watch is built for adventure, whether diving deep into the ocean or snorkeling at a tropical beach. Its robust construction, including sapphire glass and ceramic bezel, ensures that it can withstand the rigors of underwater exploration. The Longines HydroConquest 41 Automatic L3.781.3.06.9 is an excellent choice for those who appreciate style, performance, and durability in a luxury dive watch.
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Key Features

  • Longines Caliber L888.5 automatic movement
  • Ceramic bezel with rotating 0-60 scale
  • Scratch-resistant sapphire glass
  • 300-meter water resistance
  • PVD gold-coated stainless steel case
  • Unique green dial design
  • Proprietary hands for improved readability

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Yellow Gold / Green / Rubber
Reference
L3.781.3.06.9
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
41mm
Dial Color
Green
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest SS Rose Gold Accents 39mm Ref L3.780.3.78.6 2024 Full Kit plus rubber strap $1100 net to me

Longines Hydroconquest SS Rose Gold Accents 39mm Ref L3.780.3.78.6 2024 Full Kit plus rubber strap $1100 net to me

Longines - L3.780.3.78.6 · $1,100
A Longines Hydroconquest SS watch with rose gold accents and a sunray grey dial, featuring a 39mm case and various water resistance and durability features.

  • Condition: Pre-owned
  • Case Size: 39mm diameter
  • Lug Width: 19mm
  • Thickness: 12mm
Posted at
Aug 23, 2025, 10:43 AM
Active
[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