Sinn Spezialuhren GmbH ●
Wilhelm-Fay-Straße 21 ●
65936 Frankfurt am Main ●
+49 (0)69-978414-200

The Navigation Chronograph.

The traveling companion you can always rely on. Featuring perfect orientation in space and time as well as the most important arithmetic functions.

903 St
903 St B E
903 St Silver