Pocket Watch Database
New York Standard Watch Co. Perfection 391 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1908,1909,1910,1911,1912,1913,1914,1915,1916,1917,1918,1919,1920]
[190000,94166,14166,14166,14166,14166,14166,14166,14166,14166,14166,14166,14174]