Longines HydroConquest HydroConquest 43 Automatic Stainless Steel - Yellow Gold / Black / Rubber
Reference L3.782.3.56.9
About this watch
The Longines HydroConquest L3.782.3.56.9 is a luxurious dive watch that seamlessly blends style and functionality. Its stunning sunburst finish, black dial with yellow gold accents, and 43 mm round case made from stainless steel coated with PVD gold exude elegance and sophistication. The ceramic bezel rotates smoothly, allowing for easy tracking of dive times, while the sapphire glass is virtually scratch-proof. At its heart lies the Longines caliber L888.5, a self-winding movement certified by the Swiss Official Chronometer Testing Institute (COSC) for precision and reliability. With 64 hours of power reserve and a water resistance of 300 meters, this watch is ready for any aquatic adventure. The date function is located at 3 o'clock, making it easy to stay on top of your schedule. A high-quality rubber strap provides exceptional comfort and fits snugly on the wrist. The HydroConquest strikes a perfect balance between lightness and substantiality, making it a luxury piece that's both stylish and durable.
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Key Features
- 43 mm round stainless steel case
- Ceramic bezel with rotating dive scale
- Sapphire crystal glass for scratch resistance
- Chronometer-certified Longines caliber L888.5 movement
- 64 hours power reserve
- 300 meters water resistance
- Date function at 3 o'clock
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 43 Automatic Stainless Steel - Yellow Gold / Black / Rubber
- Reference
- L3.782.3.56.9
- Movement
- l888-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer
- Case
- 43mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999](https://preview.redd.it/24f0tlqxbmyg1.jpg?width=640&crop=smart&auto=webp&s=05634fa81272e703de563acc5e0cf7d5e94065b7)
Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999
The Longines HydroConquest GMT Blue is a true GMT diver with a sunray blue dial, blue ceramic bezel, and Calibre L844.5 automatic movement.
- Condition: Brand New
- Case diameter: 41mm
- Water resistance: 300m
- Movement type: Calibre L844.5 automatic
![[WTS] New Longines Hydroconquest 42mm Frosted Blue Dial](https://preview.redd.it/p91j2kpsejyg1.jpeg?auto=webp&s=9ac016ff9120a01f02fa1458897abd9878e27d5e)
New Longines Hydroconquest 42mm Frosted Blue Dial
A brand new Longines Hydroconquest 42mm with a frosted blue dial, sold exclusively at Corporate boutiques. The watch comes with all links, papers, and box.
- Condition: Brand new
- Diameter: 42mm
![[WTS] 2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900](https://preview.redd.it/ct5ldusrpfyg1.jpg?width=640&crop=smart&auto=webp&s=6b13d5c447ea4486f055edabe339d2d9df46e3f0)
2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900
The Longines HydroConquest L37884906 features a black dial and blue ceramic bezel, with an automatic movement providing reliable performance. The watch has a robust build, unidirectional dive bezel, and strong water resistance, making it a capable tool watch while maintaining a refined aesthetic.
- Condition: Excellent (pre-owned, minimal wear)
- Year: 2026
- Case size: 42mm diameter
- Case material: Stainless steel
![[WTS] Longines HydroConquest Green Dial Two Tone $1350 41mm](https://preview.redd.it/29r2f0ebqxxg1.jpg?width=640&crop=smart&auto=webp&s=0dffba53801dd6b0d374fbd1416428d7feeef8ca)
Longines HydroConquest Green Dial Two Tone $1350 41mm
This Longines HydroConquest features a green dial and two-tone design.
![[WTS] Longines HydroConquest 43mm](https://preview.redd.it/e51lhy1dztxg1.jpg?width=640&crop=smart&auto=webp&s=7ed73a07757103d378f4e1721f8a75ce148daee0)
Longines HydroConquest 43mm
A Longines HydroConquest 43mm diver watch for sale, with excellent timekeeping and minimal signs of wear.
- Condition: Pre-owned with normal wear
- Bracelet condition: normal wear with worn clasp
- Case condition: scratch-free except on the back
- Papers included: true
![[WTS] Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition](https://preview.redd.it/j4hyuklq8rxg1.jpg?width=640&crop=smart&auto=webp&s=6a22640f03a2a9be81178fc740f1debeeedd9cc1)
Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition
This is a brand new, unworn Longines HydroConquest limited edition watch from the 2026 Commonwealth Games collection. It features a 39mm case and comes with various accessories.
- Condition: Brand New Unworn
- Case size: 39mm
- Limited edition status: One of 2026
![[WTS] Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6](https://preview.redd.it/ofaisyzhimxg1.jpg?width=640&crop=smart&auto=webp&s=6b40bca29f1af35e3d66814bd98d3e090b10c691)
Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6
This Longines Hydroconquest features a 41mm ceramic case, black dial, and is sized for an approximate 7.4" wrist.
- Condition: Pre-owned with scratches on the case and bracelet
- Case material: ceramic
- Bracelet size: 7.4in diameter
- Warranty: no warranty included
![[WTS] Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700](https://external-preview.redd.it/VKjyJdZC4PwI2FtRzDvRTtaVQzMPIuXjuIXPXhUN9SY.jpeg?auto=webp&s=45e277aaaa84249364d40f735c3ac491c7b59286)
Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700
Two Longines watches for sale, the Conquest L3.776.4 and the HydroConquest L3.741.4.
- Condition: Very good
- Case size: 39 mm
- Year purchased: 2025
- Clasp wear: minor wear on clasp from being stored at work desk
![[WTS] Longines HydroConquest 41 – $975](https://preview.redd.it/wpl7qqqokcxg1.jpg?width=640&crop=smart&auto=webp&s=98cc69f40bd36ace376dc385a890c28eb1d702e7)
Longines HydroConquest 41 – $975
This Longines HydroConquest 41 features a 41mm case, minimal wear, and comes with its box, papers, hangtag, and warranty card.
- Condition: Very Good Pre-owned Condition
- Case Size: 41mm diameter
- Bracelet Condition: hairlines throughout polished surfaces, some desk wear