Sinn 104 St Sa A
The 104 St Sa A is wristwatch by Sinn.
Sinn calls this model “Die klassische Fliegeruhr” (The classic aviator watch). It is an affordible three-hand watch, which is also suitable as an entry model to the world of mechanical watches with self-winding movements. The Sinn 104 has a practical bidirectional rotating bezel and also shows the week and date. Through the caseback with sapphire crystal the movement can be observed.