Pocket Watch Database

Illinois Grade 166 Production Charts

Note: Production dates are estimations but should be accurate within +/- 3 years.

[1895,1896,1897,1898,1899,1900,1901,1902,1903]
[30,0,0,100,50,0,0,0,200]


Illinois Watch Co. Grade 166 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
166 380 4 1,286,671 1,672,000 1895 1903
30 1,286,671 1,286,700 1895
100 1,401,601 1,401,700 1898
50 1,488,151 1,488,200 1899
200 1,671,801 1,672,000 1903