Pocket Watch Database
Illinois Grade 528 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1921,1922]
[700,500]
Illinois Watch Co. Grade 528 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 528 | 1,200 | 2 | 3,869,301 | 4,018,500 | 1921 | 1922 | |
| 700 | 3,869,301 | 3,870,000 | 1921 |
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| 500 | 4,018,001 | 4,018,500 | 1922 |