Sinn Spezialuhren 103 St Sa Ar UTC

The Sinn 103 St Sa Ar UTC, reference 103.069, is a chronograph with a 41 mm polished steel case. A second time zone joins the date and small seconds displays. The case is 17 mm thick and water resistant to 200 metres, with a see-through back. Automatic winding distinguishes calibre Valjoux 7750. High-domed sapphire crystal fronts the matte black dial with luminous numerals and hands. Ar-Dehumidifying Technology counters fogging. The captive pilot's bezel advances in minute steps.