Longines HydroConquest Hydroconquest Chronograph
Reference L3.644.4.96.6
About this watch
The Longines HydroConquest Chronograph, reference L3.644.4.96.6, is a stunning piece that combines sophisticated style with rugged durability. This timepiece boasts an array of impressive specifications that are sure to turn heads. At first glance, the Hydroconquest Chronograph captivates with its striking blue dial, reminiscent of the deep sea, evoking a sense of adventure. The mixed indexes and proprietary hands provide a unique touch, further enhancing its allure. Each element of the design has been meticulously crafted to ensure not just beauty but also functionality. The robust stainless steel case adds to its durability while giving it a sophisticated look. The rotating bezel is designed for divers, allowing you to track elapsed time underwater. With a diameter of 41.00 mm, this watch sits comfortably on the wrist without feeling bulky. At the core of this masterpiece is the esteemed ETA caliber 7750, renowned for its reliability and precision. This automatic movement features a frequency of 28,800 vibrations per hour and boasts 25 jewels, ensuring smooth operation. The chronograph function is a standout feature, with separate sub-dials for seconds, minutes, and hours, making timing events a breeze. With an impressive water resistance of 300 meters, the Hydroconquest Chronograph is perfect for diving enthusiasts. Its sapphire crystal and stainless steel bracelet ensure durability and style, respectively. This watch is not just a timepiece but an investment in quality and style.
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Key Features
- Automatic ETA caliber 7750 movement
- Stainless steel case with rotating bezel
- Sapphire crystal for scratch-resistance
- 300m water resistance
- Chronograph function with separate sub-dials
- 41.00mm diameter and comfortable fit
- Durable stainless steel bracelet
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph
- Reference
- L3.644.4.96.6
- Movement
- 7750
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date, Day
- Chronograph
- Case
- Stainless Steel 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested](https://preview.redd.it/uak0p5i0mkvg1.jpg?width=640&crop=smart&auto=webp&s=8674480795a645eee12b4e5f612f85a6f1aa1aad)
Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested
The Longines HydroConquest GMT is a 41mm timepiece that comes as a full set including box, papers, and all original accessories. It is in completely unworn condition.
- Condition: Unworn
- Case Size: 41mm
- Set: Full set including box, papers, and all original accessories
![[WTS] Longines Hydroconquest GMT 41mm Black (Nov 2024)- $2950 AUD (Sydney, Australia)](https://preview.redd.it/5wo9wqsl5kvg1.jpg?width=640&crop=smart&auto=webp&s=ccc1fde86193d904de860341b6d3814c6f932b9a)
Longines Hydroconquest GMT 41mm Black (Nov 2024)- $2950 AUD (Sydney, Australia)
a black Longines Hydroconquest GMT watch with a 41mm case size.
- Material: Stainless Steel
- Diameter: 41mm
- Depth rating: 300m
![[WTS] Longines HydroConquest 41mm](https://external-preview.redd.it/gV1UVE_Cfj0p9G8IHrtNEhGnDKekTR0dsehjKb-xSBQ.jpeg?auto=webp&s=aef039e8455d0ad90034c67c96e71d7915588671)
Longines HydroConquest 41mm
A Longines HydroConquest 41mm watch with a blue sunburst dial, featuring a clean crystal and flawless dial.
- Condition: Excellent pre-owned condition
- Diameter: 41mm
![[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900](https://preview.redd.it/xq67uwuvhdvg1.jpg?width=640&crop=smart&auto=webp&s=b1b608ae8ff423df941f0594467244ac1d6a5780)
Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900
This Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the calibre L688.2 column-wheel chronograph movement with a 54-hour power reserve.
- Condition: Very good with minor usage marks
- Case Size: 41mm x 51mm stainless steel case, 15.6mm thickness, 21mm lug width
- Movement: Longines L688.2 automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
- Water Resistance: 300m (30 ATM)
![[WTS] Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950](https://preview.redd.it/4we6iz8pe9vg1.jpg?width=640&crop=smart&auto=webp&s=9766afde46f63ad54eb826266f2690ad5ac402f9)
Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950
This Longines HydroConquest GMT Black is a modern dive watch with excellent everyday wearability, offering both tool watch functionality and travel convenience.
- Condition: Excellent pre-owned
- Case size: 41mm diameter
- Water resistance: 300m
![[WTS] (Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB](https://preview.redd.it/kzo89l4370vg1.jpg?width=640&crop=smart&auto=webp&s=04ed40cb783b2de9e048d862b02c55f2128f1b42)
(Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB
This newly released Longines Hydroconquest is a large watch with exceptional fit and finish. It comes in its original packaging with a full kit and warranty.
- Condition: LNIB (Like New In Box)
- Case size: 42mm
- Water resistance: not specified
![[WTS] Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500](https://preview.redd.it/5p9s2jfuggug1.jpg?width=640&crop=smart&auto=webp&s=5d1e0de609733b75cfc9f08cfa83b0e43cb60de0)
Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500
This Longines HydroConquest features a unique full black ceramic aesthetic with a sleek and stealthy design, while maintaining refined and versatile qualities. The watch boasts excellent scratch resistance, legible dial, and comfortable daily wear.
- Condition: MINT
- Case diameter: 43mm
- Thickness: 13mm
- Lug-to-lug length: 56mm
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