Pocket Watch Database

Illinois Grade 510 Production Charts

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

[1911,1912,1913,1914,1915,1916,1917,1918]
[10,13,10,120,20,150,0,100]


Illinois Watch Co. Grade 510 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
510 423 11 2,386,741 3,425,000 1911 1918
30 2 2,623,781 2,903,130 1914 1916 12s-M4-23j-ONP-A5PTI-
20 2,623,781 2,623,800 1914
10 2,903,121 2,903,130 1916
140 2 2,905,401 3,077,400 1916 1916 12s-M4-23j-ONP-A6PTI-
90 2,905,401 2,905,490 1916
50 3,077,351 3,077,400 1916
20 1 2,386,741 2,386,760 1911 1912 12/14s-M4-21j-ONP-A5PTI-
20 2,386,741 2,386,760 1911 1912
33 4 2,406,158 2,832,400 1912 1915 12/14s-M4-23j-ONP-A5PTI-
3 2,406,158 2,406,160 1912
10 2,585,501 2,585,510 1913
10 2,701,571 2,701,580 1915
10 2,832,391 2,832,400 1915
200 2 2,652,301 3,425,000 1914 1918 12/14s-M4-23j-ONP-A6PTI-
100 2,652,301 2,652,400 1914
100 3,424,901 3,425,000 1918