| Reference Ocarat | #19959 |
| Reference | 103.031 |
| Brand | Sinn |
| Product Type | Watch |
| Gender | Men |
| Color | Black |
| Material | Steel |
| Material Quality | 316L stainless steel |
| Finish | Polished / Shiny |
| Warranty | 2 Years |
| Thickness (in mm) | 15,50 |
| Diameter (in mm) | 41,00 |
| Manufacturing | Germany |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Case Weight (in g) | 74,00 |
| Bezel | Bidirectional Visual Countdown |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Hesalite Crystal |
| Watch Case Types | Date Day |
| Buttons | 1 Crown 2 Pushers |
| Water Resistance (in ATM) | 20 |
| Frequency | 28,800 A/h (4 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Swiss Movement |
| Movement Brand | Concepto |
| Calibers (Movements) | Concepto C99001 |
| Calendar and Time | Dates Days Hours Minutes Seconds |
| Chronograph Function | Yes |
| Counters and Durations | 12h 30 min Small seconds |
| Timekeeping and Measurement | Hacking seconds device |
| Power Reserve (Maximum Duration) | 48 hours |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals Luminescent hands and numerals |
| Number of Counters (Additional) | 3 |
| Techniques and Mechanics | Rotating bezel |
| Bracelet Material | Steel |
| Strap Color | Gray |
| Watch Clasp | Single Deployment Clasp |
| Lug Width (in mm) | 20,00 |
| Activities | Aviation Swimming / Diving Yachting / Sailing |
Uncompromising performance, even in the most demanding conditions. The pilot chronograph captures the spirit of cockpit instrument design - true to the Sinn tradition.
The WatchTopped by a domed acrylic hesalite crystal, the polished round stainless steel case measures 41mm in diameter, 15.5mm thick, and weighs 74 grams. The black dial features luminescent white hands and Arabic numerals, two windows at 3 o'clock for the date and day, and three sub-dials. The small seconds counter sits at 9 o'clock, while the chronograph's 30-minute and 12-hour counters are positioned at 12 o'clock and 6 o'clock respectively. The case is fitted with a bi-directional bezel offering a visual countdown function. The screw-down crown and two chronograph pushers are on the right side of the case.
Fitted with a stainless steel bracelet with a deployant clasp, this model is built to withstand 20 atmospheres of pressure - equivalent to approximately 200 meters. It is suitable for swimming and scuba diving.
The MovementThis watch is powered by a Swiss Concepto C99001 automatic movement. This 25-jewel caliber displays hours, minutes, and seconds via a dedicated small seconds sub-dial, along with date and day. It features a hacking seconds mechanism for precise time-setting, a chronograph function with 30-minute and 12-hour counters, a frequency of 28,800 vph, and a 48-hour power reserve.




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Steel Pilot Chronograph 103 St Watch
(Ref. 19959)