| Reference Ocarat | #19840 |
| Reference | 856.020 |
| Brand | Sinn |
| Product Type | Watch |
| Gender | Men |
| Color | Black |
| Material | Steel |
| Material Quality | Stainless Steel |
| Finish | Black PVD TEGIMENT Treatment |
| Warranty | 3 years |
| Thickness (in mm) | 11,00 |
| Diameter (in mm) | 40,00 |
| Manufacturing | Germany |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Case Weight (in g) | 70,00 |
| 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) | SW330-1 |
| Calendar and Time | Dates GMT (time zone) Hours Minutes Seconds |
| Timekeeping and Measurement | Hacking seconds device |
| Power Reserve (Maximum Duration) | 42 hours |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals Luminescent hands and indexes SuperLuminova |
| Techniques and Mechanics | Ar Dehumidification Technology TEGIMENT Treatment |
| Bracelet Material | Steel |
| Strap Color | Black |
| Watch Clasp | Single Deployment Clasp |
| Lug Width (in mm) | 20,00 |
| Activities | Aviation Swimming / Diving Yachting / Sailing |
Series 856 - Pilot's watch with protection against magnetic fields.
A masterclass in functionality, this watch features an anti-reflective black dial engineered for optimal readability - oversized hands, indices, and numerals deliver instant, intuitive legibility even in extreme conditions.
The Watch
Topped with a double anti-reflective sapphire crystal, the round case is crafted in stainless steel with a black PVD coating. It measures 40 mm in diameter, 11 mm thick, and weighs 70 grams without the bracelet. The matte black dial features white Arabic numerals, luminescent white hands and indices, and a date window at 4 o'clock. It also includes a 4th hand displaying a second time zone in 24-hour format. The screw-down caseback is nickel-free, and the crown at 3 o'clock is also screw-down.
This watch comes fitted with a black steel bracelet and a deployment clasp. Water-resistant to 20 ATM (200 meters) - perfectly suited for swimming and scuba diving.
Specific Technical Specifications
The entire case and bracelet of the 856 S UTC have undergone an anti-impact TEGIMENT treatment. This surface-hardening technology provides highly effective protection against scratches on the stainless steel.
This watch also features Sinn's patented Ar dehumidification technology. This surface treatment slows the aging process of the watch's internal components, extending the movement's service life. It also prevents condensation from forming on the crystal during sudden temperature changes.
This watch also offers protection against magnetic fields up to 80,000 A/m.
The Movement
This watch houses a Swiss Sellita SW300-1 automatic movement. This 25-jewel caliber displays hours, minutes, seconds, and the date via an aperture window. It also offers a second time zone display in 24-hour format. Equipped with a stop-seconds mechanism for precise time setting to the exact second. The movement runs at a frequency of 28,800 A/h with a power reserve of 42 hours.




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856 S UTC Steel Watch
(Ref. 19840)