Longines HydroConquest Hydroconquest Chronograph Tachymeter Black
Reference L3.651.4.56.6
About this watch
The Longines HydroConquest Chronograph Tachymeter Black is a testament to the brand's dedication to creating timepieces that combine functionality, style, and durability. Its striking black dial exudes a sporty yet sophisticated vibe, making it a versatile option for both casual outings and formal events. The watch features a robust movement based on the ETA/Valjoux 7750, boasting a 42-hour power reserve and a frequency of 28,800 vibrations per hour. With its impressive water resistance of 300 meters and sapphire glass protection, this watch is designed to withstand underwater activities while remaining stylish enough for everyday wear. The stainless steel bracelet adds to its luxurious feel, ensuring comfort throughout the day. Whether you're deep-sea diving or just going about your day, you can trust this watch to keep you on schedule. With a diameter of 41.00 mm, it strikes a balance between being prominent on the wrist without feeling bulky.
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Key Features
- Longines caliber L667 automatic movement
- 300m water resistance with sapphire glass protection
- Stainless steel case with rotating dive bezel
- Black dial with stick and dot indexes
- Chronograph function with three sub-dials
- 42-hour power reserve and 28,800 vibrations per hour
- 41.00 mm diameter and 21.00 mm lug width
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph Tachymeter Black
- Reference
- L3.651.4.56.6
- Movement
- l667
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Case
- Stainless Steel 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Hydroconquest Blue 39mm - $1150](https://preview.redd.it/drt13z7x8jmg1.jpg?width=640&crop=smart&auto=webp&s=1fcceb5adb8360aca57a8ec76112e57f1dc1c603)
Longines Hydroconquest Blue 39mm - $1150
A blue dial Longines Hydroconquest 39mm watch with a full kit, in excellent condition and keeping good time.
- Condition: Great condition
- Year purchased: 2025
- Warranty duration: 5 years
![[WTS] Longines Hydroconquest 41mm Two Tone](https://preview.redd.it/vons529bl3mg1.jpg?width=640&crop=smart&auto=webp&s=845c9f7215becdfa1d13d50cbdc60e4cadbaf34e)
Longines Hydroconquest 41mm Two Tone
A Longines Hydroconquest 41mm Two Tone watch with a black dial and two tone finish. It is in very good condition with some minor wear.
- Condition: Very Good Pre Owned Condition
- Diameter: 41mm
![[WTS] Longines HydroConquest GMT 41mm L3.790.4](https://preview.redd.it/0pfhrl8m3jkg1.jpg?width=640&crop=smart&auto=webp&s=fdce4c82f5cd96b867f1f8d36e08c305ba296b8b)
Longines HydroConquest GMT 41mm L3.790.4
This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.
- Bracelet Length: 6.5 inches
- Case Size: 41mm
![[WTS] Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095](https://preview.redd.it/0n77axgtobkg1.jpg?width=640&crop=smart&auto=webp&s=091fdfb4f2e11b57e096aad3edf08215fc905779)
Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095
This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.
- Condition: very good
- Case size: 43mm diameter
- Case wear: normal wear consistent with careful use
![[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap](https://preview.redd.it/kdjfd9nw9xjg1.jpeg?auto=webp&s=2ee56f20fd59d1b662c731aba831c80021e347eb)
Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap
A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.
- Condition: Used with signs of wear
- Case diameter: 41 mm
- Water resistance: 300m / 30 bar
- Movement: Longines Calibre L888 series with 72hr power reserve
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