Pocket Watch Database
Rockford Grade 550 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1899,1900]
[300,500]
Rockford Watch Co. Grade 550 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 550 | 800 | 2 | 544,501 | 558,500 | 1899 | 1900 | |
| 300 | 544,501 | 544,800 | 1899 |
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| 500 | 558,001 | 558,500 | 1900 |
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