Pocket Watch Database
Illinois Grade 407 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1913,1914,1915,1916,1917,1918,1919,1920,1921,1922,1923,1924,1925,1926,1927]
[30,30,0,0,0,0,0,0,0,0,0,0,0,2300,3000]
Illinois Watch Co. Grade 407 Production Map Relative to Company Lifespan
Start of Production
End of Production