About the brand
Engineered for uncompromising pilot precision and tactical durability, Sinn Spezialuhren combines proprietary technologies like TEGIMENT scratch resistance and Ar-Dehumidifying technology with clean, functional Bauhaus design to create the ultimate mission timer for professionals and instrument watch enthusiasts alike.
VIEW BRAND About the watch
The Sinn 104 ST SA A is a versatile pilot-style instrument watch known for its robust 316L stainless steel case, 200m water resistance, and distinctive black dial with Arabic numerals. It features a day-date complication powered by a Sellita SW220-1 automatic movement, visible through an exhibition sapphire caseback. This model is a cult favorite among enthusiasts for its blend of tool watch functionality and classic aesthetics.
- Movement
- automatic
- Caliber
- Sellita SW220-1
- Case size
- 41mm
- Case thickness
- 11.9mm
- Case material
- 316L stainless steel
- Case shape
- round
- Complications
- day-date
- Crystal
- sapphire
- Dial colour
- black
- Exhibition caseback
- Yes
- Lug width
- 20mm
- Water resistance
- 200m / 20 ATM
VIEW MODEL PAGE 
