Pocket Watch Database

Rockford Grade 620 Production Charts

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

[1905,1906,1907,1908]
[200,0,0,500]


Rockford Watch Co. Grade 620 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
620 700 2 662,801 760,000 1905 1908
200 1 662,801 663,000 1905 1905 16s-M4-21j-HNP-A5P-
200 662,801 663,000 1905
500 1 759,501 760,000 1908 1908 16s-M4-21j-HNL-A5P-
500 759,501 760,000 1908