Longines HydroConquest Hydroconquest Automatic 39
Reference L3.648.4.56.6
About this watch
The Longines Hydroconquest Automatic 39 is a luxury dive watch that exudes elegance and sophistication. Its sleek design, robust build, and black dial make it a statement piece on the wrist. The watch's rotating bezel, marked from 0 to 60, is ideal for timing dives or other activities, while its sapphire glass ensures scratch-resistance and durability. Powered by the Longines caliber L633.5 automatic movement, this watch boasts a frequency of 28,800 beats per hour and a power reserve of 38 hours. With water resistance up to 300 meters, it's built for serious use, whether diving into the ocean or splashing around in the pool. The stainless steel bracelet feels sturdy yet comfortable on the wrist, making it perfect for all-day wear. This watch is not just a timekeeper, but an investment in style, functionality, and durability.
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Key Features
- Automatic Movement
- Water Resistance up to 300m
- Sapphire Glass
- Stainless Steel Case and Bracelet
- Rotating Bezel with 0-60 Markings
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Automatic 39
- Reference
- L3.648.4.56.6
- Movement
- l633-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 39mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[Wts] Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK](https://external-preview.redd.it/5jJWF52LhU3VcqBbg0GaIJ0tM2K3-g1s4RbHPPcydxU.jpeg?auto=webp&s=5561a50ae66a978e8adad87484d6bd3230338b4e)
Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK
A Longines Hydroconquest 39mm watch, reference L3.780.3.78.6, features a chronometer movement (l888.4) and is in excellent timekeeping condition.
- Condition: mint condition
- Movement: L888.4 chronometer version
- Warranty: almost 3 years remaining
- Shipping: fully insured special delivery

Pre-Owned Longines Hydroconquest GMT L3.890.4.56.6
Pre-owned Longines Hydroconquest GMT watch in 43mm stainless steel case with automatic movement, black dial, and 300m water resistance.
- Condition: 95% condition, faint marks on the sides and back of the case; 91% condition, slight marks on the links and clasp for the bracelet
- Case size: 43mm diameter
- Water resistance: 300m depth rating
- Material: Stainless Steel

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