Pocket Watch Database

Rockford Grade 520 Production Charts

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

[1899,1900,1901,1902,1903]
[100,0,100,100,300]


Rockford Watch Co. Grade 520 Production Map Relative to Company Lifespan

Start of Production
End of Production


Grade Production Runs Lowest Highest Start End Profile Code/Image
520 600 5 546,801 628,300 1899 1903
100 546,801 546,900 1899
100 577,801 577,900 1901
100 593,801 593,900 1902
100 626,601 626,700 1903
200 628,101 628,300 1903