Dating French Clocks

The following movement manufactures were awarded specific medals for their clocks. These were usually stamped on the back of the movement. Although the stamps were used for many years, one can narrow down the approximate date of manufacture using the list below. Any additions that you could supply will be added to these.

JAPY FRERE

1819 - Gold Medal...................................Louis XVII
1823 - Gold Medal...................................Louis XVIII
1827 - Gold Medal................................. Charles X
1834 - Gold Medal.................................Louis Philippe
1839 - Gold Medal..................................Louis Philippe
1844 - Gold Medal..................................Louis Philippe
1849 - Gold Medal...................................Louis Philippe
1851 - Grand Medal...............................Great Exhibition. London
1853 - 1st Class Medal...........................New York Exhibition
1855 - Grd Med. Honour..........................Expo Universelle Paris
1867 - Grd Med. Honour.........................Expo Universelle Paris
1873 - Grd Diploma d' Merit....................Expo Universelle Vienna
1879 - Grd Prix d'Honneur......................Expo Universelle Paris
1879 - Grd Diplome d'Honneur...............Expo Regionale Besancon
1879 - Grd Diplome d'Honneur................Expo speciale d'horlogerie
1880 - Grd Diplome d'Honneur................de la Chaux-de-Fond

VINCENTI, JEAN

1834 - Medaille d'Argent
1855 - Medaille d'Argent

MARTI, SAMUEL et Cie

1860 - Medaille de Bronze
1889 - Medaille d'Argent
1900 - Medaille d'Or
1931 - Grand Prix, Paris

MARTI, FRITZ

1900 - Medaille d'Or,Paris