Pocket Watch Database
Rockford Grade 310 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1908]
[400]
Rockford Watch Co. Grade 310 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 310 | 400 | 3 | 772,201 | 787,200 | 1908 | 1908 | |
| 100 | 772,201 | 772,300 | 1908 | ||||
| 100 | 773,101 | 773,200 | 1908 |
|
|||
| 200 | 787,001 | 787,200 | 1908 |