Longines HydroConquest Hydroconquest Automatic 39
Reference L3.648.4.16.6
About this watch
The Longines Hydroconquest Automatic 39, model L3.648.4.16.6, is an embodiment of style and functionality in the world of luxury watches. Founded in 1832, Longines has a rich history of watchmaking that marries tradition with innovation. This remarkable timepiece boasts a stunning design that seamlessly blends elegance and sportiness, making it suitable for both casual wear and formal occasions. The round stainless steel case features a polished finish that catches the light beautifully, while the pristine white dial exudes sophistication. The watch is equipped with a scratch-resistant sapphire crystal, ensuring its durability even with regular wear. At the heart of the Hydroconquest lies the Longines caliber L633.5, a robust automatic movement renowned for its reliability and accuracy. This movement boasts a frequency of 28,800 vibrations per hour, offering precise timekeeping that you can trust. With a water resistance of up to 300 meters (or 1000 feet), this watch is designed to withstand the pressures of deep-sea adventures. The unidirectional rotating bezel allows for accurate tracking of elapsed time underwater, while the stainless steel bracelet adds to its rugged aesthetic and comfort. This luxury watch offers excellent value for money, making it a fantastic choice for anyone looking to invest in a high-quality timepiece without breaking the bank.
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Key Features
- Longines caliber L633.5 automatic movement
- Stainless Steel case with polished finish
- Scratch-resistant sapphire crystal
- Water resistance up to 300 meters (1000 feet)
- Unidirectional rotating bezel for dive time tracking
- Stainless Steel bracelet for durability and comfort
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Automatic 39
- Reference
- L3.648.4.16.6
- Movement
- l633-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 39mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700](https://external-preview.redd.it/VKjyJdZC4PwI2FtRzDvRTtaVQzMPIuXjuIXPXhUN9SY.jpeg?auto=webp&s=45e277aaaa84249364d40f735c3ac491c7b59286)
Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700
Two Longines watches for sale, the Conquest L3.776.4 and the HydroConquest L3.741.4.
- Condition: Very good
- Case size: 39 mm
- Year purchased: 2025
- Clasp wear: minor wear on clasp from being stored at work desk
![[WTS] Longines HydroConquest 41 – $975](https://preview.redd.it/wpl7qqqokcxg1.jpg?width=640&crop=smart&auto=webp&s=98cc69f40bd36ace376dc385a890c28eb1d702e7)
Longines HydroConquest 41 – $975
This Longines HydroConquest 41 features a 41mm case, minimal wear, and comes with its box, papers, hangtag, and warranty card.
- Condition: Very Good Pre-owned Condition
- Case Size: 41mm diameter
- Bracelet Condition: hairlines throughout polished surfaces, some desk wear
![[WTS] Brand New Longines Hydroconquest Exclusive- 42mm- L3.788.4.98.6](https://preview.redd.it/q26sl5svr7xg1.jpg?width=640&crop=smart&auto=webp&s=35ade7fef60777ee57bfd803716e17f01ab44fdd)
Brand New Longines Hydroconquest Exclusive- 42mm- L3.788.4.98.6
The Longines Hydroconquest Exclusive features a 42mm case with a beautiful frosted blue dial and comes in brand new condition.
- Condition: Brand new, unworn
- Case size: 42mm
![[WTS] New Longines HydroConquest 42mm](https://preview.redd.it/4tbw7x88txwg1.jpg?width=640&crop=smart&auto=webp&s=c68839911e49be8b515c2d7924578d4d0c1d9987)
New Longines HydroConquest 42mm
A new Longines HydroConquest in the 42mm size, with a mesh band and box and papers included.
- Condition: New
- Case Size: 42mm
- Band Type: mesh
![[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,850](https://preview.redd.it/tol5a6cznswg1.jpg?width=640&crop=smart&auto=webp&s=7ad74ad9fa0ac8cf212bf09a7327a6f1f42c55d1)
Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,850
The Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch that features a 41mm case, blue ceramic bezel, and screw-down crown. It houses the calibre L688.2, a column-wheel chronograph movement with a 54-hour power reserve.
- Condition: Very good with minor usage marks
- Case Size: 41 x 51mm stainless steel case with a thickness of 15.6mm and a lug width of 21mm
- Movement: Longines L688.2, automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
- Water Resistance: 300 (30 ATM)
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