Longines HydroConquest Hydroconquest Automatic 39 Blue
Reference L3.641.4.96.6
About this watch
The Longines Hydroconquest Automatic 39 Blue is a captivating timepiece that beautifully marries form and function. Its stunning blue dial, robust movement, and impressive water resistance make it a superb choice for divers and watch enthusiasts alike. Founded in 1832, Longines has established itself as a prestigious Swiss watchmaker with a legacy of elegance and precision. Renowned for their timeless designs and innovative technology, Longines watches have adorned the wrists of many adventurers, athletes, and watch enthusiasts. The Hydroconquest line, in particular, showcases Longines' commitment to quality and style while catering to dive watch lovers.
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Key Features
- Stainless Steel Case
- Rotating 0-60 Bezel (Dive)
- Sapphire Crystal Glass
- 300M Water Resistance
- Longines Caliber L633.5 Movement
- Automatic with 38H Power Reserve
- Date Function and Luminescent Hands
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Automatic 39 Blue
- Reference
- L3.641.4.96.6
- Movement
- l633-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 39mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
Longines Hydroconquest 39mm black bezel/dial
This Longines Hydroconquest 39mm features a black bezel and dial, is in excellent condition, and comes with its full kit including boxes, hangtags, warranty card, and owner's manual.
- Condition: Like-new
- Case size: 39mm diameter
- Box status: full-kit
- Warranty remaining: five years
Longines HydroConquest Two Tone Green Dial $1499
Longines HydroConquest Two Tone Green Dial for sale
Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Sized, Never Worn | Full Kit | Warranty Card 5/8/26
This is the first real redesign the HydroConquest has seen in nearly a decade with thinner case and upgraded ceramic bezel with audible click.
- Condition: Never sized, never worn
- Movement: Calibre L888.5, automatic, silicon balance spring, 72hr power reserve
- Water resistance: 300m / 30 bar
- Box papers: Full double-box set with instruction manual and tags present
Longines Hydroconquest 41mm Black dial
A Longines Hydroconquest 41mm with a black dial is being sold. The watch features an original box and bracelet, as well as two additional straps.
- Condition: Very good condition, a few scuffs on the sapphire but no scratches
- Case size: 41mm
- Bracelets: 2
- Straps: 2
Longines Hydroconquest 39mm L3.779.4.96.6
A Longines Hydroconquest 39mm with a frosted blue dial, this watch features a unique and stylish design.
- Condition: Like new
- Size: 39mm diameter
Longines Hydroconquest 39mm
A Longines Hydroconquest diver's watch in excellent condition, featuring a 2026 movement and virtually no signs of wear.
- Condition: 9.6/10 - extremely clean example
- Movement: 2026
- Case condition: virtually no signs of wear
- Box included: true
Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint
A limited edition Longines Hydroconquest, purchased just a week ago and still under warranty.
- Condition: Mint
- Case Size: 39mm
- Limited Edition Quantity: 2026 pieces
- Warranty Length: five years
Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750
This Longines HydroConquest is an excellent daily-wear diver with great proportions and comfortable sizing, featuring a black dial and ceramic bezel. The watch is running well and keeping great time.
- Condition: Excellent daily-wear, shows wear from use on the bracelet
- Case Size: 39mm diameter
- Bracelet Type: black ceramic bezel + bracelet + WOE NATO
Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢
A quartz-powered diver's watch from Longines, featuring a black dial and two-tone yellow gold PVD finish on the 41mm case.
- Condition: Good (light scratches)
- Case size: 41mm
- Material: two tone yellow gold PVD
- Movement: quartz