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] Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless](https://external-preview.redd.it/ShlNgP51p_yhYG-wehlS2eH7T9a9Ro_Hs61ykEYXaOE.jpg?auto=webp&s=9a84ec950f80c0b57da96ba89c60c9a47ac92274)
Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless
This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.
- Condition: Like new in box
- Diameter: 41mm
- Bezel material: blue ceramic
![[WTS] Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty](https://preview.redd.it/u8pqdjfojjvf1.jpg?width=640&crop=smart&auto=webp&s=e85b94b2efaa7655e7581195fddf3e0228d49d97)
Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty
A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.
- Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
- Warranty Valid Until: October 2029
- Size: 39mm
![[WTS] Longines Hydroconquest 41](https://preview.redd.it/i5w1it029dvf1.jpg?width=640&crop=smart&auto=webp&s=a870460418734ae107dff571be0b34809b121cb3)
Longines Hydroconquest 41
The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.
- Condition: essentially unworn
- Shipping: CONUS only
![[WTS] BNIB Longines HydroConquest](https://preview.redd.it/3j42kl60ycvf1.jpg?width=640&crop=smart&auto=webp&s=c664df9208171d8fa29e7803820f7a8c31d484dd)
BNIB Longines HydroConquest
The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.
- Condition: Brand new in box (BNIB)

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