Sinn Spezialuhren 104 St Sa I B

The Sinn 104 St Sa I B, reference 104.013, has a 41 mm polished steel case water resistant to 200 metres. A dark-blue sunburst dial gives this watch its colour beneath sapphire crystal. The display includes central seconds, a date and a weekday indication. Calibre SW220-1 winds automatically. At 11.9 mm thick, the case incorporates a see-through back. A bidirectional captive pilot's bezel has minute ratcheting and a luminous triangular key marker. The crown screws down.