Pocket Watch Database
Rockford Grade 820 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1897,1898]
[141,190]
Rockford Watch Co. Grade 820 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 820 | 331 | 9 | 503,461 | 513,300 | 1897 | 1898 | |
| 10 | 503,461 | 503,470 | 1897 | ||||
| 6 | 503,484 | 503,489 | 1897 | ||||
| 11 | 503,521 | 503,531 | 1897 | ||||
| 4 | 503,537 | 503,540 | 1897 | ||||
| 10 | 503,611 | 503,620 | 1897 | ||||
| 100 | 509,001 | 509,100 | 1897 |
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| 80 | 513,102 | 513,181 | 1898 |
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| 69 | 513,183 | 513,251 | 1898 | ||||
| 41 | 513,260 | 513,300 | 1898 |