Longines HydroConquest HydroConquest 41 Automatic Watches of Switzerland

Reference L3.781.4.05.9

About this watch

The Longines HydroConquest L3.781.4.05.9 is a masterclass in luxury watchmaking, blending artistry, precision, and adventure in one stunning package. The grey dial exudes sophistication, while the ceramic and stainless steel materials provide durability and a sleek look. The rotating bezel with 0-60 scale is perfect for divers, and the automatic Longines caliber L888.2 guarantees precision with its 21 jewels and 65-hour power reserve. This watch is more than just a time-teller; it's a statement of style and a testament to Swiss engineering. With a water resistance of 300 meters and a comfortable 41mm diameter, this HydroConquest is ready for any adventure that comes its way.
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Key Features

  • Longines caliber L888.2 automatic movement
  • Durable ceramic and stainless steel construction
  • Rotating bezel with 0-60 scale for divers

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Watches of Switzerland
Reference
L3.781.4.05.9
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
41mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[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
[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 43mm Black Ceramic watch for sale.

  • Case Size: 43mm
  • Year: 2024
Posted at
Jan 30, 2026, 9:33 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