Pocket Watch Database

Illinois Grade 303 Production Charts

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

[1910,1911,1912,1913,1914,1915,1916,1917,1918,1919]
[2200,3830,4700,5650,4000,6800,3100,7400,4700,2100]


Illinois Watch Co. Grade 303 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
303 44,480 102 2,298,801 3,514,100 1910 1919
11,730 29 2,313,001 3,514,100 1910 1919 16s-M6-15j-HNP-U-
1,000 2,313,001 2,314,000 1910
400 2,319,201 2,319,600 1911
400 2,341,601 2,342,000 1911
200 2,348,001 2,348,200 1911
30 2,348,701 2,348,730 1911
200 2,357,001 2,357,200 1911
600 2,369,401 2,370,000 1912 1913
100 2,373,001 2,373,100 1912 1913
100 2,389,401 2,389,500 1911 1912
100 2,403,901 2,404,000 1912
200 2,414,001 2,414,200 1912
400 2,421,001 2,421,400 1912
100 2,457,601 2,457,700 1912
300 2,478,501 2,478,800 1912
600 2,505,001 2,505,600 1913
400 2,517,601 2,518,000 1913
800 2,552,001 2,552,800 1913
700 2,610,801 2,611,500 1914
100 2,639,801 2,639,900 1914
1,200 2,666,001 2,667,200 1914
100 2,688,501 2,688,600 1914
100 2,714,301 2,714,400 1915
500 2,811,301 2,811,800 1915
600 2,855,101 2,855,700 1915
300 2,887,701 2,888,000 1916
200 2,892,001 2,892,200 1916
900 3,096,001 3,096,900 1917
1,000 3,463,001 3,464,000 1919
100 3,514,001 3,514,100 1919
29,750 70 2,298,801 3,463,000 1910 1919 16s-M7-15j-ONP-U-
200 2,298,801 2,299,000 1910
1,000 2,311,001 2,312,000 1910
1,200 2,318,001 2,319,200 1911
100 2,348,901 2,349,000 1911
500 2,351,001 2,351,500 1911
400 2,357,201 2,357,600 1911
700 2,388,201 2,388,900 1911 1912
200 2,399,501 2,399,700 1912
200 2,415,201 2,415,400 1912
200 2,415,801 2,416,000 1912
100 2,420,001 2,420,100 1912
400 2,438,801 2,439,200 1912
300 2,445,001 2,445,300 1912
300 2,446,201 2,446,500 1912
100 2,452,901 2,453,000 1912
250 2,470,651 2,470,900 1912
300 2,481,701 2,482,000 1912
500 2,492,301 2,492,800 1912
600 2,506,201 2,506,800 1913
400 2,512,401 2,512,800 1913
400 2,541,601 2,542,000 1913
300 2,544,001 2,544,300 1913
200 2,544,801 2,545,000 1913
1,000 2,554,401 2,555,400 1913
600 2,565,301 2,565,900 1913
400 2,607,601 2,608,000 1914
300 2,610,001 2,610,300 1914
500 2,628,501 2,629,000 1914
100 2,633,901 2,634,000 1914
600 2,635,001 2,635,600 1914
100 2,695,701 2,695,800 1915
200 2,714,501 2,714,700 1915
400 2,742,101 2,742,500 1915
300 2,777,601 2,777,900 1915
300 2,788,901 2,789,200 1915
600 2,810,101 2,810,700 1915
500 2,812,501 2,813,000 1915
100 2,824,001 2,824,100 1915
100 2,835,901 2,836,000 1915
600 2,838,001 2,838,600 1915
300 2,851,701 2,852,000 1915
200 2,853,001 2,853,200 1915
500 2,860,501 2,861,000 1915
100 2,862,001 2,862,100 1915
300 2,862,701 2,863,000 1915
100 2,865,001 2,865,100 1915
600 2,869,101 2,869,700 1915
300 2,872,501 2,872,800 1915
400 2,898,101 2,898,500 1916
100 2,910,601 2,910,700 1916
600 2,920,101 2,920,700 1916
500 2,923,301 2,923,800 1916
200 2,937,701 2,937,900 1916
300 2,951,001 2,951,300 1916
300 3,044,601 3,044,900 1916
200 3,057,301 3,057,500 1916
1,000 3,091,001 3,092,000 1917
100 3,096,901 3,097,000 1917
900 3,106,001 3,106,900 1917
1,000 3,166,001 3,167,000 1917
200 3,190,801 3,191,000 1917
200 3,191,101 3,191,300 1917
1,000 3,229,001 3,230,000 1917
1,000 3,243,001 3,244,000 1917
100 3,244,801 3,244,900 1917
500 3,287,001 3,287,500 1918
200 3,287,601 3,287,800 1918
1,000 3,348,001 3,349,000 1918
1,000 3,418,001 3,419,000 1918
1,000 3,462,001 3,463,000 1919
1,000 1 3,265,001 3,266,000 1917 1917 16s-M7-15j-HNP-U-
1,000 3,265,001 3,266,000 1917
1,000 1 3,288,001 3,289,000 1918 1918 16s-M7-17j-ONP-U-
1,000 3,288,001 3,289,000 1918
1,000 1 3,289,001 3,290,000 1918 1918 16s-M7-17j-ONP-A-
1,000 3,289,001 3,290,000 1918