Japy Freres Pocket Watch Help

[Julian Smith]

"Brittens" ninth edition lists Frederic Japy,B.1749-D. 1813;Beaucourt;patentee machinery to produce parts of watches by unskilled labor,apparently first watch factory system.Founded Japy freres,branches France,Switzerland,England.
Maybe he made the parts for your watch.
J Smith

[Snide]

Not sure but I think it is Japy's Brothers

[hc3]

Japy Freres (brothers in English) was the most prolific maker of the round "pendule de Paris" clock movements found on French marble, bronze, and spelter clocks of the 1840 - 1920 period. I didn't know they branched out into the watch field.