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 L3.781.3.58.9, Rose Gold & Rubber Strap](https://external-preview.redd.it/sedHMjnUuvXnaLuh_m9cQhYhZl3crWETDnGNzUAc5Y8.jpeg?auto=webp&s=396c686013e60f636725d758dced3e56c6f019c5)
Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap
This Longines Hydroconquest features a silver-tone stainless steel case with a black rubber strap, uni-directional rotating black ceramic bezel, and a black dial with rose gold-tone hands and index hour markers.
- Condition: Gently used with minor wear and tear, polishable
- Case size: 43mm diameter
- Water resistance: 300m / 1000ft depth rating
- Movement: Longines Calibre L888 Automatic movement
![[WTS] Longines Hydroconquest GMT, Excellent Condition, Box and papers](https://external-preview.redd.it/Kzo8UWMgzALN780NYa3F84HmhbkBhgW-EWtPHE8JwFA.jpeg?auto=webp&s=cb3be154dd49e9ef824e140297a48ccd9f6855af)
Longines Hydroconquest GMT, Excellent Condition, Box and papers
This Longines Hydroconquest GMT features a stainless steel case with black dial and ceramic bezel, housed on a stainless-steel bracelet. It has a screw-down back and crown, with a unidirectional notched bezel in black ceramic.
- Condition: Excellent condition
- Case size: 41mm diameter
Longines Hydroconquest Automatic
The Longines Hydroconquest is a comfortable and reliable automatic watch. It features a 41mm case size with a blue aluminum bezel and dial.
- Condition: Pre-owned, has been worn
- Case Size: 41mm
- Bezel Fade: yes, but lines up properly
- Wrist Size Fit: 7 7/8 inch wrist

>>REDUCED<< LONGINES HYDROCONQUEST ALL CERAMIC L3.784.4
This Longines HydroConquest All Ceramic features a ceramic case and bezel, black ZrO2 dial, and is water resistant to 300m. The watch has a 43mm diameter and comes with a rubber strap and deployant clasp.
- Condition: MINT
- Case material: ceramic
- Diameter: 43mm
- Water resistance: 300m
![[WTS] Longines Hydroconquest GMT 41mm Sunray Blue](https://external-preview.redd.it/TPNrRrfWvZmcz1LNiN8Vo1Lq8TX9AfOzDkaAzN1Pz-4.jpeg?auto=webp&s=7e4349a56034aab4504d4c94697bb5133ec12d3a)
Longines Hydroconquest GMT 41mm Sunray Blue
A Longines Hydroconquest GMT with a Sunray blue dial and ceramic bezel in a beautiful pre-owned condition.
- Condition: Very nice pre-owned condition, some minor hairlines on the bracelet/clasp
- Diameter: 41mm
- Bezel material: ceramic
![[WTS] Longines HydroConquest 39mm Ceramic Bezel (Like New. 5 Years of Factory Warranty)](https://external-preview.redd.it/Vr3TfrMNEW8B7uxK10VFGEYEnKTjEtjt6nmOLfzYjVc.jpeg?auto=webp&s=0ffd9112e7fc08f9f32e9f58c60b849b32bafe98)
Longines HydroConquest 39mm Ceramic Bezel (Like New. 5 Years of Factory Warranty)
A Longines HydroConquest 39mm watch with a ceramic bezel, purchased from an authorized dealer in Florence, Italy and barely worn.
- Condition: Like new
- Warranty: 5 years remaining
- Case Size: 39mm
REDUCED Longines HydroConquest 41mm Blue Automatic
The Longines HydroConquest is a blue automatic watch from 2024, purchased brand new with all original box and papers. It features the newest movement, keeping excellent time.
- Condition: nearly new
- Movement: ETA C07.621
- Water Resistance: 300m
REDUCED Longines HydroConquest 41mm Blue
This Longines HydroConquest 41mm Blue is a men's watch that features the newest movement, keeping excellent time with a +1.3spd deviation.
- Condition: Nearly new condition
- Purchase Year: 2024
- Warranty Status: Full warranty
- Movement Accuracy: +1.3spd