Pocket Watch Database
Rockford Grade 620 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1905,1906,1907,1908]
[200,0,0,500]
Rockford Watch Co. Grade 620 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 620 | 700 | 2 | 662,801 | 760,000 | 1905 | 1908 | |
| 200 | 1 | 662,801 | 663,000 | 1905 | 1905 | 16s-M4-21j-HNP-A5P- | |
| 200 | 662,801 | 663,000 | 1905 |
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| 500 | 1 | 759,501 | 760,000 | 1908 | 1908 | 16s-M4-21j-HNL-A5P- | |
| 500 | 759,501 | 760,000 | 1908 |