Longines HydroConquest Hydroconquest Automatic 41 Black
Reference L3.642.4.56.6
About this watch
The Longines Hydroconquest Automatic 41 Black is a masterclass in watchmaking, combining style, functionality, and durability in a way that few watches can match. This stunning timepiece embodies elegance while standing up to the rigors of everyday life, making it perfect for anyone who appreciates fine craftsmanship and robust performance. With its impressive water resistance of up to 300 meters, automatic movement, and stunning design, this watch truly ticks all the boxes. Whether you're a diving enthusiast, a frequent traveler, or simply someone who loves a high-quality watch, the Hydroconquest is versatile enough to suit various lifestyles. Its classic design appeals to many tastes, and its functionality ensures it will be appreciated for years to come.
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Key Features
- Longines Caliber L633.5 Automatic Movement
- Sapphire Crystal Glass with Scratch Resistance
- 300 Meter Water Resistance Rating
- 41 mm Round Stainless Steel Case
- Rotating Dive Bezel and Proprietary Hands
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Automatic 41 Black
- Reference
- L3.642.4.56.6
- Movement
- l633-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995](https://preview.redd.it/ihyzvffwa5zg1.png?width=640&crop=smart&auto=webp&s=0aaa89e4a10141e5b2cb16432d533ac6562ca820)
Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995
A Longines HydroConquest with a black dial and steel bracelet for sale. It's the latest iteration from 2026, purchased recently but only worn once to a wedding.
- Condition: Near mint, worn once
- Case size: 39mm
- Movement: Automatic
![[WTS] New Longines HydroConquest 42mm Frosted Blue Dial](https://preview.redd.it/dchzi1zvhyyg1.jpg?width=640&crop=smart&auto=webp&s=4acb97adce81fab67340b57de2dcad24b72c4898)
New Longines HydroConquest 42mm Frosted Blue Dial
A brand new Longines HydroConquest with a frosted blue dial in 42mm size.
- Condition: new
- Case size: 42mm
- Diameter: 42mm
![[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
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.
This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.
- Condition: Excellent Condition
- Case Diameter: 41mm
- Thickness: 11.9mm
- Bezel Type: Unidirectional rotating Green Ceramic