Pocket Watch Database

Illinois Grade 601 Production Charts

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

[1911,1912,1913,1914,1915,1916,1917,1918,1919,1920,1921,1922,1923,1924,1925,1926,1927,1928,1929,1930,1931,1932]
[2600,3690,4650,4100,6900,2900,3700,0,0,0,0,0,0,0,0,0,0,2000,0,0,1000,5000]


Illinois Watch Co. Grade 601 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
601 36,540 65 2,373,701 5,565,000 1911 1932
19,140 36 2,373,701 3,259,300 1911 1917 16s-M7-11j-ONP-U-
100 2,373,701 2,373,800 1912 1913
800 2,378,001 2,378,800 1911
900 2,398,301 2,399,200 1912
300 2,435,401 2,435,700 1912
600 2,481,101 2,481,700 1912
40 2,486,471 2,486,510 1912
200 2,493,801 2,494,000 1912
500 2,496,001 2,496,500 1912
800 2,527,201 2,528,000 1913
900 2,531,401 2,532,300 1913
100 2,543,331 2,543,430 1913
500 2,553,201 2,553,700 1913
400 2,562,201 2,562,600 1913
600 2,583,201 2,583,800 1913
400 2,597,001 2,597,400 1914
800 2,612,001 2,612,800 1914
300 2,620,701 2,621,000 1914
300 2,628,001 2,628,300 1914
200 2,630,701 2,630,900 1914
400 2,673,601 2,674,000 1914
600 2,675,001 2,675,600 1914
300 2,749,701 2,750,000 1915
900 2,754,001 2,754,900 1915
700 2,760,301 2,761,000 1915
500 2,766,001 2,766,500 1915
100 2,826,901 2,827,000 1915
700 2,833,001 2,833,700 1915
900 2,847,001 2,847,900 1915
800 2,853,901 2,854,700 1915
400 2,906,401 2,906,800 1916
500 2,926,501 2,927,000 1916
700 2,937,001 2,937,700 1916
600 3,079,001 3,079,600 1916
1,000 3,134,001 3,135,000 1917
1,000 3,220,001 3,221,000 1917
300 3,259,001 3,259,300 1917
7,300 16 2,378,801 3,109,700 1911 1917 16s-M6-11j-HNP-U-
200 2,378,801 2,379,000 1911
1,000 2,383,001 2,384,000 1911
1,200 2,387,001 2,388,200 1911 1912
500 2,402,701 2,403,200 1912
400 2,535,001 2,535,400 1913
500 2,582,001 2,582,500 1913
100 2,630,901 2,631,000 1914
400 2,633,001 2,633,400 1914
200 2,675,801 2,676,000 1914
400 2,680,001 2,680,400 1914
700 2,786,001 2,786,700 1915
500 2,839,501 2,840,000 1915
300 2,851,001 2,851,300 1915
100 2,875,901 2,876,000 1916
500 2,885,001 2,885,500 1916
300 3,109,401 3,109,700 1917
1,000 3 2,532,601 2,952,000 1913 1916 16s-M6-11j-ONP-U-
400 2,532,601 2,533,000 1913
500 2,778,501 2,779,000 1915
100 2,951,901 2,952,000 1916
200 1 3,116,201 3,116,400 1917 1917 16s-M7-11j-ONP-U-Stewart
200 3,116,201 3,116,400 1917
900 1 3,250,001 3,250,900 1917 1917 16s-M7-11j-HNL-U-
900 3,250,001 3,250,900 1917
8,000 8 5,009,001 5,565,000 1928 1932 6/0s-M5-21j-HNP-U-
1,000 5,009,001 5,010,000 1928
1,000 5,021,001 5,022,000 1928
1,000 5,461,001 5,462,000 1931
1,000 5,488,001 5,489,000 1932
1,000 5,524,001 5,525,000 1932
1,000 5,526,001 5,527,000 1932
1,000 5,545,001 5,546,000 1932
1,000 5,564,001 5,565,000 1932