Pocket Watch Database

Illinois Grade 21 Production Charts

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

[1915,1916,1917,1918]
[3860,10400,5000,2620]


Illinois Watch Co. Grade 21 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
21 21,880 70 2,793,901 3,322,500 1915 1918
5,990 35 2,793,901 3,322,500 1915 1918 3/0s-M4-11j-HNP-U-
40 2,793,901 2,793,940 1915
10 2,793,961 2,793,970 1915
130 2,806,101 2,806,230 1915
40 2,806,241 2,806,280 1915
100 2,827,101 2,827,200 1915
90 2,827,211 2,827,300 1915
10 2,827,311 2,827,320 1915
420 2,827,331 2,827,750 1915
10 2,827,761 2,827,770 1915
10 2,827,781 2,827,790 1915
50 2,827,801 2,827,850 1915
20 2,827,871 2,827,890 1915
10 2,827,901 2,827,910 1915
20 2,827,921 2,827,940 1915
20 2,827,951 2,827,970 1915
10 2,827,981 2,827,990 1915
100 2,844,001 2,844,100 1915
600 2,844,301 2,844,900 1915
300 2,863,701 2,864,000 1915
300 2,871,001 2,871,300 1915
100 2,871,901 2,872,000 1915
500 2,879,001 2,879,500 1916
400 2,902,301 2,902,700 1916
100 2,930,701 2,930,800 1916
500 2,938,001 2,938,500 1916
300 2,943,001 2,943,300 1916
200 2,992,001 2,992,200 1916
300 3,233,001 3,233,300 1917
200 3,233,301 3,233,500 1917
200 3,233,501 3,233,700 1917
100 3,233,701 3,233,800 1917
100 3,233,901 3,234,000 1917
100 3,279,801 3,279,900 1918
100 3,279,901 3,280,000 1918
500 3,322,001 3,322,500 1918
20 1 2,793,981 2,794,000 1915 1915 3s-M4-11j-HP-U-
20 2,793,981 2,794,000 1915
15,070 30 2,816,201 3,317,000 1915 1918 3/0s-M3-11j-ONP-U-
120 2,816,201 2,816,320 1915
170 2,816,341 2,816,510 1915
30 2,816,521 2,816,550 1915
40 2,816,561 2,816,600 1915
270 2,817,001 2,817,270 1915
220 2,817,281 2,817,500 1915
500 2,861,501 2,862,000 1915
100 2,863,001 2,863,100 1915
600 2,884,101 2,884,700 1916
400 2,891,301 2,891,700 1916
600 2,909,101 2,909,700 1916
600 2,913,301 2,913,900 1916
500 2,922,501 2,923,000 1916
100 2,930,001 2,930,100 1916
300 2,938,701 2,939,000 1916
600 2,943,301 2,943,900 1916
500 2,949,501 2,950,000 1916
1,000 2,962,001 2,963,000 1916
200 2,964,701 2,964,900 1916
1,000 2,984,001 2,985,000 1916
800 2,992,201 2,993,000 1916
1,000 3,034,001 3,035,000 1916
1,900 3,102,001 3,103,900 1917
1,000 3,160,001 3,161,000 1917
900 3,209,001 3,209,900 1917
800 3,279,001 3,279,800 1918
20 3,312,471 3,312,490 1918
600 3,314,001 3,314,600 1918
100 3,314,901 3,315,000 1918
100 3,316,901 3,317,000 1918
800 4 2,964,901 3,314,900 1916 1918 3/0s-M3-12j-ONP-U-
100 2,964,901 2,965,000 1916
100 3,042,901 3,043,000 1916
300 3,161,401 3,161,700 1917
300 3,314,601 3,314,900 1918