Pocket Watch Database

Illinois Grade 509 Production Charts

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

[1911,1912,1913,1914,1915,1916,1917,1918,1919,1920]
[15,122,290,10,650,480,200,800,0,500]


Illinois Watch Co. Grade 509 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
509 3,067 21 2,386,711 3,789,000 1911 1920
570 6 2,386,711 3,238,600 1911 1917 12s-M4-21j-ONP-A5PT-
30 2,386,711 2,386,740 1911 1912
10 2,623,771 2,623,780 1914
300 2,864,201 2,864,500 1915
20 2,903,681 2,903,700 1916
10 2,905,491 2,905,500 1916
200 3,238,401 3,238,600 1917
2,497 15 2,406,151 3,789,000 1912 1920 12/14s-M4-21j-ONP-A5PT-
7 2,406,151 2,406,157 1912
100 2,473,201 2,473,300 1912
290 2,585,511 2,585,800 1913
20 2,701,581 2,701,600 1915
30 2,783,271 2,783,300 1915
10 2,799,551 2,799,560 1915
290 2,832,101 2,832,390 1915
300 2,896,101 2,896,400 1916
150 2,945,701 2,945,850 1916
100 3,334,901 3,335,000 1918
100 3,335,901 3,336,000 1918
200 3,401,801 3,402,000 1918
400 3,424,501 3,424,900 1918
200 3,620,201 3,620,400 1920
300 3,788,701 3,789,000 1920