A rare late 19th century .800 silver cased double-sided keyless wind racing chronograph pocket watch, the unsigned jewelled movement with lever escapement, with white enamelled dials, one side decorated with a horse race, horse and carriage and boat race, with centre stop seconds and subsidiary minutes dial, the other with black Roman hour numerals and subsidiary seconds, detailed '0,800', case diameter 4.7cm (minor faults to dials).