Longines HydroConquest HydroConquest 39 Automatic Stainless Steel / Black / Bracelet
Reference L3.780.4.56.6
About this watch
The Longines HydroConquest 39 Automatic is a masterful blend of style, precision, and durability. This luxury watch boasts a striking black dial with a matte finish, adding a sophisticated touch to its sporty design. The rotating bezel with a bold 0-60 dive scale gives it an edgy feel, perfect for both formal and casual settings. Built from stainless steel and ceramic, this watch is designed to withstand the rigors of underwater adventures and daily wear alike. Its robust construction ensures that your HydroConquest stays pristine even after years of use. With a diameter of 39.00 mm and a height of 12.20 mm, it's a comfortable fit for most wrist sizes. The Longines caliber L888.5 automatic movement provides accuracy and reliability, boasting chronometer certification and a power reserve of 64 hours. This means you'll always be on time, making every second count. With features like date display, water resistance up to 300 meters, and a rotating bezel for tracking elapsed time underwater, this watch is designed for functionality and safety. Whether you're diving deep or just enjoying a casual day, the HydroConquest will keep you looking sharp and feeling confident.
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Key Features
- Automatic movement with chronometer certification
- Water resistance up to 300 meters
- Rotating bezel for tracking elapsed time underwater
- Date display for easy timekeeping
- Stainless steel and ceramic construction for durability
- Chronograph functionality for precise time measurement
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 39 Automatic Stainless Steel / Black / Bracelet
- Reference
- L3.780.4.56.6
- Movement
- l888-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer
- Case
- 39mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Hydroconquest GMT | 41mm | Sunburst Brown | Excellent Condition](https://preview.redd.it/l4rw8wcac1ug1.jpg?width=640&crop=smart&auto=webp&s=c8c71d63061517bfabf8abb08a9613d7e73cfe65)
Longines Hydroconquest GMT | 41mm | Sunburst Brown | Excellent Condition
This Longines Hydroconquest GMT is a refresh of the well-loved hydroconquest line range, featuring a new quick-adjust bracelet and updated bezel with brown ceramic insert. The sunray dial looks incredible in all lighting conditions, especially when exposed to sunlight.
- Condition: Excellent
- Case size: 41mm diameter
- Lug to lug: 49.2mm
- Thickness: 12.8mm
![[WTS] Longines HydroConquest 41 -$950](https://preview.redd.it/sman7rm7zztg1.jpg?width=640&crop=smart&auto=webp&s=8831270588ed3e11ae91df0225f5cfa98c315e26)
Longines HydroConquest 41 -$950
This Longines HydroConquest 41 is a water-resistant watch with a clean bezel and crystal, but shows signs of wear on the case and bracelet.
- Condition: Very Good Pre-owned Condition
- Case size: 41mm
- Bezel condition: Clean - slightly misaligned
- Bracelet wear: Hairline wear on polished links, one link has deep scratches
![[WTS] Longines HydroConquest 2 tone Green Dial 2024 $1320](https://preview.redd.it/2q666j08urtg1.jpg?width=640&crop=smart&auto=webp&s=2afd196e0b80c65f8d012c7ba5c2d5bfc0fb2a95)
Longines HydroConquest 2 tone Green Dial 2024 $1320
- Image: https://imgur.com/a/bPjxHRP
![[WTS] Longines Hydroconquest GMT 41mm](https://preview.redd.it/kx2si05scusg1.jpg?width=640&crop=smart&auto=webp&s=6f674e4340659513d22861adaa4e6f7e21f42f56)
Longines Hydroconquest GMT 41mm
Beautiful Longines Hydroconquest GMT with a 41mm case, included in the sale are extra links, warranty card, and original packaging.
- Condition: very good condition
- Water Resistance: not specified
- Warranty Years: 2
![[WTS] Longines Hydroconquest Green Dial Black Bezel](https://preview.redd.it/t5iimvsb3lsg1.jpg?width=640&crop=smart&auto=webp&s=0e0528c0c91782e685844db3df4e1ec370556a84)
Longines Hydroconquest Green Dial Black Bezel
- Condition: Perfect
- Year Of Purchase: August 2025
- Crown And Buckle Straps: 2 additional
- Shipping Info: US only
![[WTS] Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition](https://preview.redd.it/qivmazym0fsg1.jpg?width=640&crop=smart&auto=webp&s=4e49902d3641aa922643e2690a7207ece9b7d528)
Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition
The Longines Hydroconquest GMT features a 41mm stainless steel case, a true GMT movement, and a brown sunray dial with a brown ceramic bezel insert. It has a quick-adjust bracelet and a sapphire crystal with anti-reflective coating.
- Condition: Excellent, some minor hairline scratches on the bracelet
- Case size: 41mm
- Lug width: 21mm
- Thickness: 12.8mm
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.
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