Longines HydroConquest Hydroconquest Automatic 41

Reference L3.649.4.56.6

About this watch

The Longines Hydroconquest Automatic 41 is a stunning blend of style, functionality, and reliability. This luxury dive watch exudes classic elegance while offering impressive diving capabilities. Its sophisticated automatic movement, based on the reliable ETA 2824-2, features 25 jewels, a frequency of 28,800 vibrations per hour, and a power reserve of 38 hours. With hours, minutes, seconds, and date functions, this watch is user-friendly for everyone. The rotating bezel with a 0-60 dive scale allows tracking elapsed time underwater, while the sapphire glass is scratch-resistant. Its water resistance of up to 300 meters makes it perfect for serious diving or everyday wear. Whether you're at the office or on a diving expedition, this watch feels just right. Weighing in at the right amount, the Hydroconquest is solid on the wrist without being cumbersome.
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Key Features

  • Stainless Steel Case and Bracelet
  • Sapphire Crystal with Anti-Reflective Coating
  • Water Resistance up to 300 Meters (1000 Feet)
  • Longines Caliber L633.5 Automatic Movement
  • Date Function and Rotating Bezel with Dive Scale

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Automatic 41
Reference
L3.649.4.56.6
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.

  • Condition: Like new in box
  • Diameter: 41mm
  • Bezel material: blue ceramic
Posted at
Oct 18, 2025, 8:33 AM
Active
[WTS] Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.

  • Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
  • Warranty Valid Until: October 2029
  • Size: 39mm
Posted at
Oct 16, 2025, 5:22 PM
Active
[WTS] Longines Hydroconquest 41

Longines Hydroconquest 41

Longines - L3.781.4.05.6 · $1,380
The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.

  • Condition: essentially unworn
  • Shipping: CONUS only
Posted at
Oct 15, 2025, 8:12 PM
Active
[WTS] BNIB Longines HydroConquest

BNIB Longines HydroConquest

The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.

  • Condition: Brand new in box (BNIB)
Posted at
Oct 15, 2025, 7:10 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