Pocket Watch Database
Illinois Grade 403 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1911,1912,1913,1914,1915,1916,1917,1918,1919]
[35,145,2910,3100,6150,10350,11350,5900,1300]
Illinois Watch Co. Grade 403 Production Map Relative to Company Lifespan
Start of Production
End of Production