Sinn Spezialuhren 103 St Sa E

The Sinn 103 St Sa E, reference 103.0621, is a steel chronograph produced as a limited edition of 300 pieces. The polished 41 mm case is water resistant to 200 metres, measures 17 mm thick and has a see-through back. Calibre Valjoux 7750 supplies automatic winding. Curved sapphire crystal fronts a matte black dial displaying small seconds beside ivory-coloured luminous numerals. The calendar shows day and date. A captive rotating pilot's bezel has minute ratcheting.