Longines HydroConquest Hydroconquest Chronograph Quartz
Reference L3.643.4.96.6
About this watch
The Longines Hydroconquest Chronograph Quartz is an exceptional timepiece that embodies the perfect blend of style, functionality, and luxury. Crafted from high-quality stainless steel, this watch boasts a robust construction that's both durable and premium in feel. The striking blue dial evokes a sense of the ocean, making it a perfect match for a dive watch. With a round shape and 41mm diameter, it sits comfortably on the wrist, striking a balance between presence and wearability. The rotating bezel allows divers to track elapsed time underwater easily, while the sapphire crystal glass adds an extra layer of protection against scratches and impacts. This thoughtful design enhances usability, making it a practical choice for daily wear. Whether you're timing laps in the pool or just keeping track of your daily schedule, this watch has got you covered with its chronograph functions integrated into the quartz movement. The comfortable and stylish stainless steel bracelet ensures that you won't have to worry about it slipping off during activities. With a water resistance of up to 300 meters, this watch is designed to go deep with you! After wearing the Hydroconquest for several weeks, I can confidently say that it keeps time beautifully. The quartz movement has proven to be accurate, and I haven’t noticed any significant deviations.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Quartz Movement
- Rotating Bezel
- Sapphire Crystal Glass
- Water Resistance up to 300m
- Chronograph Functions
- Stainless Steel Construction
- Comfortable and Stylish Bracelet
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph Quartz
- Reference
- L3.643.4.96.6
- Movement
- l541
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Case
- Stainless Steel 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines HydroConquest 42mm](https://preview.redd.it/lexhgnkwaj3h1.jpg?width=640&crop=smart&auto=webp&s=a86b0779eb73daec310429b4bf9a275548eb95f9)
Longines HydroConquest 42mm
This listing is for a brand new Longines HydroConquest 42mm blue dial watch, featuring a ceramic bezel and quick micro adjust bracelet.
- Condition: Brand New In Box (BNIB)
- Diameter: 42mm
- Material: ceramic and lacquered
![[WTS] Longines Hydroconquest 43mm -Like New](https://preview.redd.it/mbobopeezc3h1.jpg?width=640&crop=smart&auto=webp&s=d76e8e2b7cb2e36112f424a86ddc9374602b03f2)
Longines Hydroconquest 43mm -Like New
This Longines Hydroconquest is a 43mm watch with a black dial, purchased new in April and still in fantastic condition.
- Condition: Like New
- Case size: 43mm
- Lug to lug length: 53
- Thickness: 11.90mm
![[WTS] Longines Hydroconquest 41mm - Black Dial](https://preview.redd.it/hhhqkjke053h1.jpg?width=640&crop=smart&auto=webp&s=8d30f8a05d7c9889f2d6cd40426e9121508375cc)
Longines Hydroconquest 41mm - Black Dial
A Longines Hydroconquest 41mm Automatic watch with a black dial, stainless steel case, and ceramic bezel.
- Condition: Good condition, minor scratches/scuffs in sapphire and minimal wear marks on bracelet and clasp
- Case size: 41mm diameter
- Bezel material: stainless steel and ceramic
- Bracelet type: original bracelet (and links)
![[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,750](https://preview.redd.it/q8y1luj4743h1.jpg?width=640&crop=smart&auto=webp&s=bf073f3c5aab40974abcbb809d5655c3248d1a4a)
Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,750
The Longines Hydroconquest Chronograph 41 is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the L688.2 column-wheel chronograph movement with a 54-hour power reserve.
- Condition: Very good with minor usage marks
- Movement: Longines L688.2, automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
- Case size: 41mm diameter
- Thickness: 15.6mm
![[WTS] Longines Hydroconquest 43mm](https://preview.redd.it/6gb1epj8yq2h1.jpg?width=640&crop=smart&auto=webp&s=7d7fd5691e645b024aa1a049b0c21e598e5b65b2)
Longines Hydroconquest 43mm
The watch is a Longines Hydroconquest model L3.782.4.56.6 with a black dial and a 43mm case size.
- Condition: Brand new with minor use (about a month)
- Case size: 43mm diameter
- Lug to lug length: 53mm
- Thickness: 11.90mm
![[WTS] (brand new) Longines HydroConquest 39mm - $1700 shipped](https://preview.redd.it/td2bjuhwxk2h1.jpg?width=640&crop=smart&auto=webp&s=1347131218519237b78443a9672b63095aa7c867)
(brand new) Longines HydroConquest 39mm - $1700 shipped
This brand new Longines HydroConquest features a 39mm stainless steel case with black dial and ceramic bezel insert, along with a date display at the 3 o'clock position.
- Condition: Unworn
- Case material: stainless steel
- Bracelet material: stainless steel
- Water resistance: 300m
![[WTS] Longines hydroconquest 39 mm green](https://preview.redd.it/rq8wp29fwh2h1.jpg?width=640&crop=smart&auto=webp&s=da5b8da736fbc2099069247138e97a16996477e9)
Longines hydroconquest 39 mm green
This Longines HydroConquest is a recent purchase from a US authorized dealer, still in its original packaging and with all papers.
- Condition: great condition
- Bracelet condition: has a small ding on the clasp
- Box and paper status: all included
- Additional strap type: aftermarket rubber
![[WTS] Longines HydroConquest 39mm Blue – Full Set – Excellent Condition](https://preview.redd.it/d8we6u297g2h1.jpg?width=640&crop=smart&auto=webp&s=38b6e51237898ed419c7d1cc262fdabc212980b9)
Longines HydroConquest 39mm Blue – Full Set – Excellent Condition
This Longines HydroConquest is a 39mm watch with an automatic movement and ceramic bezel, featuring a blue dial and bezel.
- Condition: Excellent Condition
- Case size: 39mm diameter
![[WTS] RARE CONFIGURATION Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Worn | Full Kit | Warranty Card 5/8/26](https://preview.redd.it/fd515t9kkc2h1.jpg?width=640&crop=smart&auto=webp&s=af7f902dfe994efb689e4262712035c47d009802)
RARE CONFIGURATION Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Worn | Full Kit | Warranty Card 5/8/26
This is a rare configuration Longines HydroConquest 42mm watch with a green ceramic bezel and a green lacquered dial. It features an automatic movement, 300m water resistance, and a full kit including the original box, papers, and warranty card.
- Condition: never worn
- Bracelet: upgraded Longines mesh style bracelet
- Movement: Calibre L888.5, automatic, silicon balance spring, 72hr power reserve
- Water Resistance: 300m / 30 bar