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 Grey L3.780.3.78.6 - $1199

Longines HydroConquest Grey L3.780.3.78.6 - $1199

Longines - L3.780.3.78.6 · $1,199
This Longines HydroConquest is a gray automatic dive watch featuring a 39mm case size, 48mm lug to lug length, and L888 movement.

  • Condition: Used
  • Case size: 39mm diameter
  • Lug to lug length: 48mm
Posted at
Jan 13, 2026, 5:36 AM
Active
[WTS] Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber & 2 Bespoke Straps

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber & 2 Bespoke Straps

Longines - L3.782.3.98.9 · $1,099
A two-tone Longines Hydroconquest with a sunburst blue dial, featuring a 41mm case and various strap options.

  • Condition: Mint
  • Case Size: 41mm
  • Dial Color: sunburst blue
  • Straps: 2 additional bespoke straps, 1 grey alligator leather, 1 blue babele calf leather
Posted at
Jan 2, 2026, 2:30 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