Sinn Spezialuhren 103 St Sa Ty Hd H

The Sinn 103 St Sa Ty Hd H, reference 103.221, is a limited edition of 250 pieces in a 41 mm polished steel case. This chronograph uses manual-winding calibre SW510 M. A glossy light blue dial and dark blue satinised counters appear beneath sapphire crystal, with hand-attached hybrid ceramic luminous indices. Hybrid ceramic luminous elements sit in the hour and minute hands, beside orange stopwatch hands. The case is 14 mm thick with a see-through back, water resistant to 200 metres. A pilot's bezel surrounds the dial. The inner tachymeter scale adds another graduated display.