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| Reference Ocarat | #15850 |
| Reference | 556.010 |
| Brand | Sinn |
| Product Type | Watch |
| Gender | Men Women |
| Color | Black |
| Material | Steel |
| Material Quality | Stainless Steel |
| Finish | Matte (Brushed / Satin) |
| Warranty | 2 Years |
| Thickness (in mm) | 11,00 |
| Manufacturing | Germany |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Case Weight (in g) | 65,00 |
| Dial Finish | Paint |
| Watch Case Back | Screwed caseback |
| Glass Quality | Sapphire Crystal |
| Glass Treatment | Double Anti-Reflective Coating |
| Watch Case Types | Date |
| Buttons | 1 Crown |
| Screw Crown | Yes |
| Water Resistance (in ATM) | 20 |
| Frequency | 28,800 A/h (4 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Swiss Movement |
| Movement Brand | Sellita |
| Calibers (Movements) | SW200-2 Power+ |
| Calendar and Time | Dates Hours Minutes Seconds |
| Timekeeping and Measurement | Hacking Seconds Device |
| Power Reserve (Maximum Duration) | 65 hours |
| Display Type | Analog (hands) |
| Display Specifications | Luminescent hands and indices SuperLuminova |
| Bracelet Material | Cowhide Leather |
| Strap Color | Black |
| Watch Clasp | Tang Buckle |
| Lug Width (in mm) | 20,00 |
| Activities | Swimming / Diving Yachting / Sailing |
556 Series - Sporty and elegant - an iconic silhouette and a clean dial for perfect readability.
The Watch Topped with a double-sided anti-reflective sapphire crystal, the round case is crafted from stainless steel with a satin finish. It measures 38.5 mm in diameter, 11 mm in thickness, and weighs 65 grams without the strap. The screw-down sapphire crystal case back reveals the heart of the movement and its intricate gear train.
The glossy black, numeral-free dial features white luminescent hands and hour markers for optimal night visibility, along with a date window at 3h.
This watch comes with a genuine black leather strap. Water-resistant up to 20 ATM (200 meters), it is perfectly suited for swimming or scuba diving.
The Movement This watch is powered by a Swiss Sellita SW200-2 automatic movement. Featuring 26 jewels, this caliber displays hours, minutes, seconds, and the date via an aperture. It includes a stop-seconds mechanism for precise, to-the-second time setting. Operating at a frequency of 28,800 vph, it delivers a 65-hour power reserve.
Sinn 556 I Leather Watch
(Ref. 15850)
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.