Longines HydroConquest HydroConquest 39 Automatic Stainless Steel / Black / Rubber
Reference L3.780.4.56.9
About this watch
The Longines HydroConquest 39 Automatic is a remarkable watch that beautifully marries style and functionality. From its robust design to its precise movement, it’s a watch that not only tells time but also tells a story—your story. With a striking design and robust functionality, this watch is a true contender in the realm of diving timepieces. The HydroConquest boasts a chronometer certification, ensuring accuracy and precision in its timekeeping. Wearing a watch should feel like a second skin, and the HydroConquest excels in this department with its comfortable fit and adjustable rubber strap. It’s suitable for professional diving activities and offers a contemporary twist on classic diving aesthetics. The Longines caliber L888.5 movement features a silicon balance spring, enhancing precision and reliability.
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Key Features
- Stainless Steel Case
- 300m Water Resistance
- Chronometer Certification
- Longines Caliber L888.5 Movement
- Silicon Balance Spring
- Adjustable Rubber Strap
- 39mm Diameter
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 39 Automatic Stainless Steel / Black / Rubber
- Reference
- L3.780.4.56.9
- Movement
- l888-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer
- Case
- 39mm
- 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