Sinn Spezialuhren 104 St Sa I W

The Sinn 104 St Sa I W, reference 104.012, is a watch in a polished 41 mm steel case. A glossy white dial displays central seconds, date and weekday beneath sapphire crystal, with luminous hands and indices. Calibre SW220-1 has automatic winding. The case is 11.9 mm thick, water resistant to 200 metres and has a see-through back. Its captive pilot's bezel rotates in both directions with minute ratcheting. A luminous triangle marks the bezel.