Pocket Watch Database

Illinois Interior Production Charts

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

[1876,1877,1878]
[7100,3100,2400]


Illinois Watch Co. Interior Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
Interior 12,600 21 70,001 98,700 1876 1878
11,300 11 70,001 95,300 1876 1878 18s-M1-7j-AGK-U-
7,000 70,001 77,000 1876
1,100 77,101 78,200 1877
300 78,301 78,600 1877
1,300 78,701 80,000 1877
200 84,101 84,300 1877
200 90,001 90,200 1878
700 90,301 91,000 1878
200 92,101 92,300 1878
100 92,701 92,800 1878
100 92,901 93,000 1878
100 95,201 95,300 1878
700 7 77,001 93,100 1876 1878 18s-M2-7j-HGL-U-
100 77,001 77,100 1876
100 78,201 78,300 1877
100 78,601 78,700 1877
100 90,201 90,300 1878
100 92,001 92,100 1878
100 92,801 92,900 1878
100 93,001 93,100 1878
600 3 92,301 98,700 1878 1878 18s-M3-7j-OGL-U-
400 92,301 92,700 1878
100 97,301 97,400 1878
100 98,601 98,700 1878