The present watch indicates the standard time but the French Republican Calendar.
French Revolutionary Time and French Republican Calendar were introduced during the French Revolution in the decree of 5 October 1793. Although clocks and watches were produced indicating standard time with numbers 1-24 and decimal time with numbers 1-10, decimal time never caught on. It was not officially used until the beginning of the Republican year III, 22 September 1794, and was officially suspended on 7 April 1795. The French Republican Calendar, which divided the month into three décades of 10 days each, eventually also fell out of use, and was abolished at the end of 1805.