Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Ceramic / Kohei Uchimura
Reference L3.781.4.99.6
About this watch
The Longines HydroConquest L3.781.4.99.6 is a masterpiece of luxury watchmaking, blending elegance with functionality in perfect harmony. This stunning blue-dialed timepiece embodies the spirit of adventure and precision that Longines is renowned for. With its robust stainless steel case, rotating dive bezel, and proprietary hands, this watch is an ideal companion for divers and adventurers alike. The Longines caliber L888.2 movement provides a 65-hour power reserve, operating at 25,200 vibrations per hour with 21 jewels for smooth operation and longevity. Water-resistant up to 300 meters, this true diving watch can handle any underwater adventure. Its striking aesthetics, comfortable 41mm diameter, and versatility in strap options make it a standout choice in the world of luxury watches.
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Key Features
- Automatic Longines caliber L888.2 movement
- Water resistance up to 300 meters
- Rotating dive bezel with 0-60 markings
- Sapphire glass for outstanding clarity and scratch resistance
- Stainless steel case with robust feel
- Proprietary hands for optimal visibility
- Blue dial with mixed indexes
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 41 Automatic Stainless Steel / Ceramic / Kohei Uchimura
- Reference
- L3.781.4.99.6
- Movement
- l888-2
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550](https://preview.redd.it/q20m9xof6p1h1.jpg?width=640&crop=smart&auto=webp&s=64fde65853d57c300e741bf001e1d758a57af2f2)
Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550
A Longines Hydroconquest quartz two-tone diver watch, featuring a black dial and 41mm case size.
- Condition: Pre-owned with light scratches
- Case size: 41mm
- Material: two tone
![[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550](https://preview.redd.it/xctcalo9zk1h1.jpg?width=640&crop=smart&auto=webp&s=650ef270e5e02acf60bc86c32f9eda97d9f00f45)
Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550
This Longines Hydroconquest is a fun and capable diver that comes in the 41mm version, featuring a black dial and quartz movement.
- Condition: pre-owned with light scratches
- Case Size: 41mm
- Movement Type: quartz
![[WTS] Longines Hydroconquest 39mm black bezel/dial](https://preview.redd.it/hcrkd9h0gk1h1.jpg?width=640&crop=smart&auto=webp&s=222db94fb2131661aa9dba6f84c909ccca5404c9)
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
![[WTS] Longines HydroConquest Two Tone Green Dial $1499](https://preview.redd.it/hphc8owmqi1h1.jpg?width=640&crop=smart&auto=webp&s=270753abc4debb68258ba2ec87a877355f71de20)
Longines HydroConquest Two Tone Green Dial $1499
Longines HydroConquest Two Tone Green Dial for sale
![[WTS] 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](https://preview.redd.it/vtb6vc2eki1h1.jpg?width=640&crop=smart&auto=webp&s=ecf33b0d47c8fa5982fd26fddc1205cdc129cf67)
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
![[WTS] Longines Hydroconquest 41mm Black dial](https://preview.redd.it/r9zms2m3dc1h1.jpg?width=640&crop=smart&auto=webp&s=fb0ee84491b408eecf29c00533dbf94361e7658e)
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
![[WTS] Longines Hydroconquest 39mm L3.779.4.96.6](https://preview.redd.it/zub5je7bs71h1.jpg?width=640&crop=smart&auto=webp&s=c13e2690b5c678b496a1014ea9a0e708206ff81c)
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
![[WTS] Longines Hydroconquest 39mm](https://preview.redd.it/j0qiwnh0r71h1.jpeg?auto=webp&s=149e7e806f9c75a04bd76edd823cd16d02223f52)
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
![[WTS] Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint](https://preview.redd.it/nl26c159pr0h1.jpg?width=640&crop=smart&auto=webp&s=39aff2e3e4e52101bb87e437d2067e0379d65704)
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