Pocket Watch Database
Rockford Grade 870 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1898]
[2100]
Rockford Watch Co. Grade 870 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 870 | 2,100 | 2 | 521,001 | 523,500 | 1898 | 1898 | |
| 1,000 | 521,001 | 522,000 | 1898 |
|
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| 1,100 | 522,401 | 523,500 | 1898 |
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