Pocket Watch Database
Illinois Grade 172 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1896,1897,1898,1899,1900,1901,1902,1903,1904,1905,1906,1907,1908,1909,1910,1911,1912,1913]
[10,1000,3600,4700,5000,7100,7046,4000,2400,5580,4150,9000,6075,4855,8630,5050,685,535]
Illinois Watch Co. Grade 172 Production Map Relative to Company Lifespan
Start of Production
End of Production