Pocket Watch Database
Illinois Grade 136 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1886]
[90]
Illinois Watch Co. Grade 136 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 136 | 90 | 4 | 591,501 | 591,600 | 1886 | 1886 | |
| 40 | 591,501 | 591,540 | 1886 | ||||
| 10 | 591,541 | 591,550 | 1886 | ||||
| 20 | 591,551 | 591,570 | 1886 | ||||
| 20 | 591,581 | 591,600 | 1886 |