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| Reference Ocarat | #42845 |
| Reference | 104.011 Cuir |
| Brand | Sinn |
| Product Type | Watch |
| Gender | Men |
| Color | Black |
| Material | Steel |
| Material Quality | Stainless Steel |
| Warranty | 2 Years |
| Diameter (in mm) | 41,00 |
| Manufacturing | Germany |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Bezel | Bidirectional |
| Watch Case Back | Exhibition Case Back Screwed caseback |
| Crystal Shape | Flat |
| Glass Quality | Sapphire Crystal |
| Watch Case Types | Date Day |
| 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) | Sellita SW 220-1 |
| Calendar and Time | Dates Days Hours Minutes Seconds |
| Power Reserve (Maximum Duration) | 38 hours |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals Indices and railroad track Luminescent hands and indices |
| Techniques and Mechanics | Rotating Bezel |
| Bracelet Material | Cowhide Leather |
| Strap Color | Black |
| Bracelet Material Finish | Crocodile-print leather |
| Topstitching | Yes |
| Watch Clasp | Tang Buckle |
| Lug Width (in mm) | 20,00 |
| Activities | Aviation Yachting / Sailing |
The Watch
This aviation timepiece features a 41mm stainless steel case topped by a sapphire crystal, with a screwed, transparent caseback that reveals the movement's rotor in action. The case is encircled by a rotating bezel graduated over 60 minutes. The screw-down crown sits at 3 o'clock.
The Dial
Built for aviation, this round dial features a deep black finish for maximum legibility at a glance. The rectangular hour and minute hands are coated with a luminescent treatment for round-the-clock visibility. Hour markers combine stick indices with Arabic numerals, complemented by a minute track around the periphery. The central seconds hand is crafted in steel and shares the same luminescent coating as all other dial elements. Both the date and day-of-the-week windows are positioned at 3 o'clock, while the brand name appears at 12 o'clock.
The Movement
At the heart of this pilot's watch case beats a Swiss-made automatic winding analog movement. This 26-jewel Sellita SW220-1 caliber oscillates at 28,800 vibrations per hour with a 38-hour power reserve. Functions include hours, minutes, seconds, date, and day of the week.
The Strap
This model comes paired with a genuine crocodile-embossed leather strap in black, featuring refined white contrast stitching and a stainless steel pin buckle closure. Lug width is 20mm.
Water Resistance
This watch is rated to 20 atmospheres - 200 meters. Whether you're free-diving or working with a high-pressure washer, this timepiece can handle it all. Showering, bathing, lap swimming, and freediving are all fair game. For scuba diving with tanks, however, we recommend a watch with a higher water-resistance rating. Do not operate the crown or pushers while submerged, as this could compromise the movement's integrity.
104 ST SA A Pilot Watch
(Ref. 42845)
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.