Longines HydroConquest Hydroconquest Chronograph
Reference L3.644.4.96.2
About this watch
The Longines Hydroconquest Chronograph (Model L3.644.4.96.2) is a masterful blend of style, functionality, and durability. This luxury watch boasts a striking blue color with polished stainless steel finish, featuring a gem-set bezel for added luxury. The 41mm round case is robust enough for diving yet elegant enough for daily wear. Its scratch-resistant sapphire glass ensures a pristine look for years to come. The ETA caliber 7750 movement provides accuracy and durability, boasting a frequency of 28,800 vibrations per hour and a power reserve of 42 hours. With its chronograph function and date/day display, this watch is perfect for divers and those who appreciate fine craftsmanship. Its water resistance of 300 meters makes it suitable for snorkeling, swimming, or even a rain shower. The stainless steel bracelet is sturdy yet comfortable, featuring a secure clasp that ensures it stays on your wrist. Whether you're at the office, out on the town, or diving into the ocean, this watch fits seamlessly into any scenario.
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Key Features
- ETA caliber 7750 automatic movement
- Scratch-resistant sapphire glass
- 300m water resistance
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph
- Reference
- L3.644.4.96.2
- 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 - Sunray Brown - 41mm- Full Kit - Excellent Condition](https://preview.redd.it/74ipd0kadfqg1.jpg?width=640&crop=smart&auto=webp&s=11277a9581488bfda627dff42f1cb6f73f7fe61a)
Longines Hydroconquest GMT - Sunray Brown - 41mm- Full Kit - Excellent Condition
A Longines Hydroconquest GMT 41mm with a sunray brown dial and ceramic bezel insert, featuring an updated bezel and quick-adjust bracelet. It has a true GMT movement that keeps excellent time.
- Condition: Excellent
- Case size: 41mm
- Lug-to-lug: 49.2mm
- Thickness: 12.8mm
![[WTS] Longines Hydroconquest GMT 41mm L3.790.4.56.6](https://preview.redd.it/pnc5fzsalvpg1.jpg?width=640&crop=smart&auto=webp&s=0a88425480853875b50997d2783615cabe3916a5)
Longines Hydroconquest GMT 41mm L3.790.4.56.6
A modern classic Longines Hydroconquest GMT in great condition, with a flawless glass and excellent case.
- Condition: Pre-loved, great condition with typical bracelet wear
- Case Size: 41mm
- Bracelet Condition: typical wear
![[WTS] Longines HydroConquest 41mm Two Tone $1750](https://preview.redd.it/u7fkctlv2upg1.jpg?width=640&crop=smart&auto=webp&s=ba25fdac5147f1eb509169328273088acc6931ce)
Longines HydroConquest 41mm Two Tone $1750
Longines HydroConquest in a two-tone version, sold as-is.
- 41mm diameter: case size
![[WTS] Longines Hydroconquest Two-tone 41mm](https://preview.redd.it/puekxcrr4gpg1.jpg?width=640&crop=smart&auto=webp&s=e294ab3b5bb1c4ea1692a976f6def1f8e334c8ca)
Longines Hydroconquest Two-tone 41mm
This Longines Hydroconquest Two-Tone is a 41mm watch that comes with all its original components, including a blank card.
- Condition: Absolutely beautiful condition!
- Case size: 41mm
![[WTS] Longines Hydroconquest GMT 41mm](https://preview.redd.it/2cfcxnaix9pg1.jpg?width=640&crop=smart&auto=webp&s=f4e810aeaaa75abf3d85c8d4aa4d54b8f9fa4b07)
Longines Hydroconquest GMT 41mm
The Longines Hydroconquest GMT is a blue-dialed watch featuring a GMT complication, housed in a 41mm case. It comes with a complete full set and eBay verification.
- Condition: Pre-owned with minor wear
- Case size: 41mm
- Bracelet condition: Minor wear
![[WTS] Longines HydroConquest Automatic watch, 41.00 mm, stainless steel and ceramic bezel, L3.781.3.96.7– Ref L3.781.3.96.7 – Full Set – Feb 2026](https://preview.redd.it/7p381814g3pg1.jpg?width=640&crop=smart&auto=webp&s=875fd76e05b1011b6bde95b1b6bc62c97d445914)
Longines HydroConquest Automatic watch, 41.00 mm, stainless steel and ceramic bezel, L3.781.3.96.7– Ref L3.781.3.96.7 – Full Set – Feb 2026
- Bezel material: stainless steel and ceramic
- Case size: 41.00 mm
![[WTS] Longines HydroConquest GMT 41](https://preview.redd.it/0pqafsylrgog1.jpg?width=640&crop=smart&auto=webp&s=b5a758bbd6c299bd92a3b509ba8e20b1126461be)
Longines HydroConquest GMT 41
A Longines HydroConquest GMT 41, featuring a GMT function and 41mm case size.
- Condition: Pre-owned with minor cosmetic flaws
- Case size: 41mm diameter
- Water resistance: not specified
![[WTS] Longines HydroConquest 41mm - $1200 Shipped](https://preview.redd.it/ckrcxx7stbog1.jpg?width=640&crop=smart&auto=webp&s=82be888dec8ada65dd9eced3ac728c1a1704c5b3)
Longines HydroConquest 41mm - $1200 Shipped
Up for sale is my green Longines Hydroconquest 41, which I'm looking to replace with a Tudor Royal Date Day. The watch has been well taken care of and comes in excellent condition.
- Condition: great condition with a small scratch on the AR coating
- Bracelet condition: touched up
![[WTS] 2025 Longines HydroConquest 39 - $950](https://preview.redd.it/ipy1vtrj7png1.jpg?width=640&crop=smart&auto=webp&s=1f6bc392d05f3a4cf70d5f4693db3233e4c14e02)
2025 Longines HydroConquest 39 - $950
This is a 2025 Longines HydroConquest 39, a great everyday diver presented as a complete set. It has honest signs of wear and comes with a watch maxx kit, box, papers, and full links.
- Condition: Good overall condition with visible signs of wear
- Year: 2025
- Included Accessories: Watch maxx kit,Box,Papers,Full links
- Shipping Options: Buyer add $30 FedEx 2-Day Air or provide own label