Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Rose Gold / Grey / Bracelet

Reference L3.781.3.78.7

About this watch

The Longines HydroConquest 41 Automatic is a masterpiece of watchmaking that beautifully marries style and functionality. Its striking grey dial adorned with rose gold accents creates a sophisticated yet sporty vibe, perfect for both underwater adventures and everyday wear. The watch's sleek design, robust features, and durable materials make it an excellent choice for water sports enthusiasts and those who appreciate fine craftsmanship. With its certified chronometer movement, 300-meter water resistance, and comfortable fit, this luxury watch is sure to impress. Whether you're a seasoned diver or just someone who appreciates the art of watchmaking, the HydroConquest 41 Automatic is an investment worth making.
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Key Features

  • Longines caliber L888.5 movement
  • 300-meter water resistance
  • Chronometer certified for accuracy
  • Durable stainless steel and ceramic materials
  • Rotating bezel with 0-60 dive scale
  • Comfortable 41.00 mm round case diameter
  • Luxurious PVD gold coating

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Rose Gold / Grey / Bracelet
Reference
L3.781.3.78.7
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
41mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] USA, Longines Hydroconquest, Ref L3.781.3.96.9

USA, Longines Hydroconquest, Ref L3.781.3.96.9

Longines - L3.781.3.96.9 · $3,000
  • Material: Stainless steel
Posted at
Oct 24, 2025, 9:01 PM
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 and comes with a full kit.

  • Condition: Great condition with minor scratches on the bracelet and buckle
  • Size: 39mm diameter
  • Warranty Valid Until: October 2029
Posted at
Oct 23, 2025, 12:49 AM
Active
[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