Longines HydroConquest Hydroconquest Chronograph
Reference L3.665.4.76.6
About this watch
The Longines HydroConquest Chronograph (L3.665.4.76.6) is a masterful blend of luxury and functionality, designed to withstand underwater adventures while maintaining a stylish appearance. Crafted from high-quality stainless steel, this 48mm watch features a striking silver color and polished case, radiating sophistication. The rotating bezel marked from 0 to 60 tracks elapsed time accurately, while the tactile feel ensures easy operation even with gloves on. At its heart lies the ETA Caliber 7753 automatic movement, offering chronograph functionality and seamless date adjustments. With exceptional water resistance of up to 300 meters, this watch is suitable for professional diving and water sports. The dial boasts mixed indexes and proprietary hands, striking a perfect balance between functionality and elegance. Protected by a sapphire crystal, the dial remains resistant to scratches, ensuring the watch's pristine condition over time.
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Key Features
- 48mm stainless steel case
- ETA Caliber 7753 automatic movement
- Rotating bezel with elapsed time tracking
- Exceptional water resistance up to 300 meters
- Sapphire crystal protection
- Chronograph functionality with date adjustments
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph
- Reference
- L3.665.4.76.6
- Movement
- 7753
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Case
- Stainless Steel 48mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] New Release, 1 week old, Longines Hydroconquest 39 mm](https://preview.redd.it/azs27iav29tg1.jpg?width=640&crop=smart&auto=webp&s=2d63891147bf6886a60c6bf18a5043c215bca88e)
New Release, 1 week old, Longines Hydroconquest 39 mm
A new release Longines Hydroconquest in a smaller 39mm diameter, purchased from an authorized dealer and still under warranty. It's been lightly worn for only a week.
- Condition: Perfect condition, 1 week old
- Case diameter: 39mm
- Lug to lug length: 48.1mm
- Thickness: 11.7mm
![[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