Pocket Watch Database
Illinois Grade 143 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1886,1887,1888,1889,1890,1891,1892,1893]
[1100,0,0,50,0,600,900,100]
Illinois Watch Co. Grade 143 Production Map Relative to Company Lifespan
Start of Production
End of Production