Pocket Watch Database

Illinois Grade 603 Production Charts

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

[1912,1913,1914,1915,1916,1917,1918,1919]
[800,700,2390,200,1420,580,820,300]


Illinois Watch Co. Grade 603 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
603 7,210 45 2,399,201 3,532,100 1912 1919
4,910 29 2,399,201 3,532,100 1912 1919 16s-M7-15j-ONP-U-
50 2,399,201 2,399,250 1912
200 2,435,701 2,435,900 1912
100 2,452,601 2,452,700 1912
100 2,531,001 2,531,100 1913
400 2,562,601 2,563,000 1913
200 2,597,401 2,597,600 1914
600 2,606,401 2,607,000 1914
500 2,618,401 2,618,900 1914
100 2,623,901 2,624,000 1914
300 2,629,701 2,630,000 1914
100 2,699,601 2,699,700 1915
60 2,769,221 2,769,280 1915
10 2,799,361 2,799,370 1915
350 2,882,001 2,882,350 1916
200 2,910,701 2,910,900 1916
20 2,940,901 2,940,920 1916
300 2,969,501 2,969,800 1916
100 3,081,701 3,081,800 1916
100 3,130,701 3,130,800 1917
30 3,145,331 3,145,360 1917
200 3,145,501 3,145,700 1917
100 3,259,301 3,259,400 1917
30 3,270,971 3,271,000 1918
10 3,312,001 3,312,010 1918
200 3,363,701 3,363,900 1918
100 3,377,601 3,377,700 1918
50 3,404,001 3,404,050 1918
300 3,404,101 3,404,400 1918
100 3,532,001 3,532,100 1919
2,170 14 2,403,201 3,427,200 1912 1919 16s-M6-15j-HNP-U-
150 2,403,201 2,403,350 1912
100 2,454,801 2,454,900 1912
200 2,457,101 2,457,300 1912
200 2,582,501 2,582,700 1913
400 2,599,001 2,599,400 1914
30 2,627,001 2,627,030 1914
60 2,631,331 2,631,390 1914
200 2,633,401 2,633,600 1914
150 2,882,351 2,882,500 1916
200 3,045,001 3,045,200 1916
150 3,094,701 3,094,850 1917
100 3,384,301 3,384,400 1918
30 3,384,901 3,384,930 1918
200 3,427,001 3,427,200 1919
130 2 2,799,431 2,951,900 1915 1916 16s-M7-15j-HNP-U-
30 2,799,431 2,799,460 1915
100 2,951,801 2,951,900 1916