Longines HydroConquest Hydronconquest Automatic 30
Reference L3.284.4.96.6
About this watch
The Longines HydroConquest Automatic 30 is a stunning timepiece that perfectly balances elegance and functionality. With its rich history dating back to 1832, Longines has mastered the art of creating high-quality watches that cater to both divers and watch enthusiasts alike. The HydroConquest series is designed for those who love adventure but also appreciate a touch of sophistication. This watch features a stunning blue dial reminiscent of the deep ocean, making it an ideal companion for any aquatic adventure. The round case, measuring 30mm in diameter, strikes a balance between boldness and subtlety, making it suitable for both men and women. Constructed from stainless steel, this watch not only looks good but is also incredibly durable, resistant to corrosion, and built to last. At the heart of the HydroConquest Automatic 30 is the Longines caliber L595 movement, an automatic movement that boasts a power reserve of 40 hours, ensuring accurate timekeeping even in harsh saltwater conditions. With a water resistance of up to 300 meters, this watch can handle serious diving expeditions and everyday wear alike. Its sleek design seamlessly transitions from casual outfits to formal attire, making it the perfect companion for any adventure.
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Key Features
- Longines caliber L595 automatic movement
- Stainless steel case with rotating bezel
- Sapphire crystal glass for scratch resistance
- Water resistance up to 300 meters
- 40-hour power reserve
- 30mm diameter case suitable for men and women
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydronconquest Automatic 30
- Reference
- L3.284.4.96.6
- Movement
- l595
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 30mm
- 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