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

LONGINES HYDROCONQUEST ALL CERAMIC L3.784.4
A black ZrO2 dial Longines HydroConquest All Ceramic watch with a ceramic case and bezel, 43mm in diameter, water resistant to 300m.
- Condition: MINT
- Case material: ceramic
- Diameter: 43mm
- Water resistance: 300m depth rating
FSO: Longines Hydroconquest GMT Blue 99%
The Longines Hydroconquest GMT is a high-end watch with a gorgeous blue dial and incredible tapering bracelet. It features a 41mm x 49.5 x 12.9 mm sapphire case with AR coating and a L844 movement. The watch has a 72-hour power reserve and a traveler style GMT function.
- Condition: like-new, near flawless
- Case size: 41mm
- Bracelet type: tapering
- Movement: L844 (25.2 bph)
Longines Hydroconquest GMT
A Longines Hydroconquest GMT with a blue dial, featuring a 41mm case and traveler-style GMT function. The watch has a sapphire crystal and an L844 movement, and is accompanied by its original boxes, warranty card, and all bracelet links.
- Condition: like-new, near flawless
- Case Size: 41mm
- Movement Type: L844
Longines Hydroconquest GMT FSOT
A Longines Hydroconquest GMT with a blue dial and 41mm x 49.5 x 12.9mm dimensions, featuring a traveler-style GMT function and a tapering bracelet.
- Condition: like-new, near flawless
- Movement: L844
- Bph: 25.2
![[WTS] 2023 Longines HydroConquest XXII Commonweath Games LE L3.781.4.59.6 Full Set](https://preview.redd.it/de84ewlcu65f1.jpg?width=640&crop=smart&auto=webp&s=4a16e11a54c6ccc469427c420f368dbaad88a9ce)
2023 Longines HydroConquest XXII Commonweath Games LE L3.781.4.59.6 Full Set
This Longines HydroConquest XXII Commonwealth Games LE features a 41mm steel case with a black and multi-color rotating dive bezel, a black dial, and a stainless steel bracelet. It is powered by an automatic mechanical movement.
- Condition: Very nice preowned condition with some light scratches on the case, bracelet and buckle.
- Case material: Steel
- Bezel dimensions: 41mm diameter
- Dial color: Black

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