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 |
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| 100 | 593,801 | 593,900 | 1902 |
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| 100 | 626,601 | 626,700 | 1903 | ||||
| 200 | 628,101 | 628,300 | 1903 |