Longines HydroConquest Hydroconquest Automatic 39

Reference L3.648.4.96.6

About this watch

The Longines Hydroconquest Automatic 39 (model L3.648.4.96.6) is a stunning blend of elegance and functionality, featuring a modified ETA 2824-2 movement with a power reserve of around 38 hours. The watch boasts a robust stainless steel case, a rotating dive bezel marked from 0-60, and a sapphire crystal glass that provides excellent clarity. With a water resistance of up to 300 meters, this timepiece is built to handle serious underwater conditions. The blue dial features stick and dot indexes that enhance readability while maintaining an elegant look. The luminous hands ensure you can easily tell the time in low-light conditions—essential for any diver. When stacked against other dive watches in its price range, the Hydroconquest holds its own remarkably, bringing a certain elegance that is hard to match. Whether you're a seasoned diver or simply someone who appreciates the finer things in life, this watch will not disappoint.
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Key Features

  • Modified ETA 2824-2 movement
  • Stainless steel case with rotating dive bezel
  • Sapphire crystal glass for excellent clarity

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Automatic 39
Reference
L3.648.4.96.6
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta - Oceanking 40 · $1,850
This listing features a Monta Oceanking 40 with a blue bezel and black dial, one of two produced, as well as a Longines Hydroconquest 43 with a gray sunburst dial.

  • Condition: 9.5/10
  • Case size: 40mm
Posted at
Dec 18, 2025, 9:49 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