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| Reference Ocarat | #111636 |
| Reference | 1050.040 silicone pin clasp |
| Brand | Sinn |
| Product Type | Watch |
| Gender | Men |
| Color | Black Gray |
| Material | Steel |
| Material Quality | German Submarine Steel Stainless Steel |
| Finish | Microblasted |
| Warranty | 2 Years |
| Thickness (in mm) | 11,20 |
| Diameter (in mm) | 41,00 |
| Manufacturing | Germany |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Case Weight (in g) | 74,00 |
| Bezel | TEGIMENT Treatment With Luminescent Marker(s) With a minute track |
| Dial Finish | Matte |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Flat |
| Glass Quality | Sapphire Crystal |
| Glass Treatment | Double Anti-Reflective Coating |
| Watch Case Types | Date |
| Buttons | 1 Crown |
| Screw Crown | Yes |
| Water Resistance (in ATM) | 50 |
| Frequency | 28,800 A/h (4 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Swiss Movement |
| Movement Brand | Sellita |
| Calibers (Movements) | Sellita SW 300-1 |
| Calendar and Time | Dates Hours Minutes Seconds |
| Timekeeping and Measurement | Hacking Seconds Device |
| Power Reserve (Maximum Duration) | 38 hours |
| Display Type | Analog (hands) |
| Display Specifications | Indices and railroad track Luminescent hands and indices |
| Techniques and Mechanics | Magnetic Resistance TEGIMENT Treatment |
| Bracelet Material | Silicone |
| Strap Color | Black Red White |
| Water Resistant | Yes |
| Watch Clasp | Deployment Clasp |
| Lug Width (in mm) | 20,00 |
Sinn is a German brand known for its innovative, high-performance timepieces. Founded in 1961 in Frankfurt am Main, this watchmaking manufacturer creates technical yet refined watches. Its collections blend timeless style with contemporary elegance - the expression of generations of expertise. Over the years, Sinn has developed proprietary technologies including Diapal, Hydro, Ar dehumidification, and magnetic field protection. Every watch is a testament to durability and excellence - and this U50 SDR Silicone, crafted as a limited edition, is no exception. A true diver's watch, it's made for all those passionate about the deep sea. Its round case is crafted from German submarine steel with a refined microbead-blasted finish. Offering extreme seawater resistance and anti-magnetic properties, this steel is built to perform. With a diameter of 41 mm, a thickness of 11.20 mm, and a weight of 74 g, this case is designed for men's wrists. It also features a unidirectional captive bezel crafted from submarine steel, engraved with a minute track and a luminescent triangular marker. Its black scratch-resistant coating and Tegiment treatment provide exceptional resistance to scratches. The dial is protected by a sapphire crystal, offering daily protection and improved legibility thanks to its anti-reflective treatment on both sides. The time can be set via the silver-toned, knurled crown, positioned at 4 o'clock to avoid wrist contact, making adjustments smooth and easy. Finally, this outstanding model features a screw-down case back ensuring water resistance of 50 ATM.
This beautiful watch features a round dial in black, enhanced by a matte finish and dotted with multicolored indices that create a vibrant harmony of tones. Clean and minimalist, it delivers effortless timekeeping at a glance. The hands stand out with their rectangular shape and red-and-white two-tone finish, marking the hours and minutes, accompanied by a matching seconds hand. Twelve rectangular white indices frame the dial alongside the minute track running along the outer edge. Treated with a luminescent coating, these time markers remain legible even in low-light conditions. A date window rounds out the dial, displaying the day of the month. The brand's name appears at 12 o'clock as its signature.
At the heart of this beautiful timepiece beats a Swiss-made automatic movement - the Sellita caliber SW300-1. This high-performance mechanism is renowned for its reliability and precision. Featuring 25 jewels, it operates at 28,800 beats/hour, accurately displaying hours, minutes, seconds, and date. It includes a stop-seconds function and provides protection against magnetic fields per DIN standard 8309. Power reserve: 38 hours.
Sinn equips this stunning watch with four different silicone straps to choose from in the drop-down menu. Each measuring 20 mm lug width, they add a distinctive flair to the model.
The first strap in black delivers a sporty, modern look. Its understated tone pairs with anything, secured by a classic pin buckle.
A second black strap is included in the box, featuring a folding clasp with a quick-adjust length system.
The third strap comes in a bold red for a head-turning total look. Its vibrant color is guaranteed to catch every eye - a must-have that perfectly matches your standards. It features a folding clasp with a quick-adjust length system.
The fourth strap wins you over with its immaculate white tone, offering a striking contrast against the black dial. Sleek and refined, it's perfect for clean, understated looks. Its clasp is a folding buckle equipped with a quick-adjust system.
This model offers water resistance up to 50 atmospheres, or 500 meters. Whether you're splashing around in the pool with the kids or diving deep on a professional scuba dive, this watch has you covered. The deep sea and all its creatures don't stand a chance - you're ready. The Ocarat team wishes you a fantastic underwater adventure. One last tip: don't operate the pushers or crown during descent!
Sinn U50 SDR Silicone Watch
(Ref. 111636)
Official European Union notice on your rights in the event of a product's lack of conformity.
For purchases made in-store or on our website between November 3 and December 14, 2026.
From your order page or by contacting our customer service team.
Item must be new, unworn, unpersonalized, and in its original packaging. You are responsible for return shipping costs.