Sinn Spezialuhren 910 Anniversary

The Sinn 910 Anniversary, reference 910.010, is a steel chronograph issued as a limited edition of 300 pieces. A split-seconds function is part of the column wheel construction. The case combines polished/satinised surfaces with a see-through back; it measures 41.5 mm across and 15.5 mm thick, water resistant to 100 metres. Self-winding calibre Valjoux 7750 is shock resistant. Under the sapphire crystal, the dial carries an attached appliqué and small seconds. A double scale measures units per hour.