Longines HydroConquest HydroConquest 39 Automatic Stainless Steel / Black / Rubber
Reference L3.780.4.56.9
About this watch
The Longines HydroConquest 39 Automatic is a remarkable watch that beautifully marries style and functionality. From its robust design to its precise movement, it’s a watch that not only tells time but also tells a story—your story. With a striking design and robust functionality, this watch is a true contender in the realm of diving timepieces. The HydroConquest boasts a chronometer certification, ensuring accuracy and precision in its timekeeping. Wearing a watch should feel like a second skin, and the HydroConquest excels in this department with its comfortable fit and adjustable rubber strap. It’s suitable for professional diving activities and offers a contemporary twist on classic diving aesthetics. The Longines caliber L888.5 movement features a silicon balance spring, enhancing precision and reliability.
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Key Features
- Stainless Steel Case
- 300m Water Resistance
- Chronometer Certification
- Longines Caliber L888.5 Movement
- Silicon Balance Spring
- Adjustable Rubber Strap
- 39mm Diameter
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 39 Automatic Stainless Steel / Black / Rubber
- Reference
- L3.780.4.56.9
- Movement
- l888-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer
- Case
- 39mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] (Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB](https://preview.redd.it/kzo89l4370vg1.jpg?width=640&crop=smart&auto=webp&s=04ed40cb783b2de9e048d862b02c55f2128f1b42)
(Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB
This newly released Longines Hydroconquest is a large watch with exceptional fit and finish. It comes in its original packaging with a full kit and warranty.
- Condition: LNIB (Like New In Box)
- Case size: 42mm
- Water resistance: not specified
![[WTS] Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500](https://preview.redd.it/5p9s2jfuggug1.jpg?width=640&crop=smart&auto=webp&s=5d1e0de609733b75cfc9f08cfa83b0e43cb60de0)
Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500
This Longines HydroConquest features a unique full black ceramic aesthetic with a sleek and stealthy design, while maintaining refined and versatile qualities. The watch boasts excellent scratch resistance, legible dial, and comfortable daily wear.
- Condition: MINT
- Case diameter: 43mm
- Thickness: 13mm
- Lug-to-lug length: 56mm
![[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 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
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