Pocket Watch Database

Illinois Grade 187 Production Charts

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

[1897,1898,1899,1900,1901,1902,1903,1904,1905,1906,1907,1908,1909,1910,1911,1912,1913]
[200,300,900,1000,700,10,200,0,0,0,0,0,50,350,500,1100,50]


Illinois Watch Co. Grade 187 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
187 5,360 30 1,370,801 2,493,600 1897 1913
1,610 14 1,370,801 2,493,600 1897 1912 16s-M4-17j-HNL-A5PT-
100 1,370,801 1,370,900 1897
100 1,393,201 1,393,300 1897
100 1,419,101 1,419,200 1898
200 1,455,701 1,455,900 1899
100 1,475,901 1,476,000 1899
100 1,478,901 1,479,000 1899
100 1,516,801 1,516,900 1900
100 1,542,801 1,542,900 1900
200 1,569,801 1,570,000 1901
10 1,627,501 1,627,510 1902
200 1,659,701 1,659,900 1903
100 2,118,901 2,119,000 1909 1910
100 2,245,501 2,245,600 1910
100 2,493,501 2,493,600 1912
2,800 13 1,419,401 2,395,500 1898 1913 16s-M5-17j-ONL-A5PT-
100 1,419,401 1,419,500 1898
100 1,435,401 1,435,500 1898
300 1,474,701 1,475,000 1899
200 1,480,801 1,481,000 1899
200 1,508,801 1,509,000 1900
200 1,522,701 1,522,900 1900
400 1,548,501 1,548,900 1900
400 1,572,701 1,573,100 1901
200 2,225,601 2,225,800 1910
100 2,280,301 2,280,400 1911
300 2,292,701 2,293,000 1911
100 2,364,201 2,364,300 1912 1913
200 2,395,301 2,395,500 1911 1912
100 1 1,572,501 1,572,600 1901 1901 16s-M5-17j-ONL-A6PTI-
100 1,572,501 1,572,600 1901
850 2 2,430,201 2,487,600 1912 1912 16s-M5-17j-ONL-A5PTI-
350 2,430,201 2,430,550 1912
500 2,487,101 2,487,600 1912