Pocket Watch Database
Illinois Grade 427 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1921,1922,1923,1924,1925,1926,1927]
[400,700,1000,0,0,0,1000]
Illinois Watch Co. Grade 427 Production Map Relative to Company Lifespan
Start of Production
End of Production
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| 427 | 3,100 | 5 | 3,932,101 | 4,866,000 | 1921 | 1927 | |
| 2,100 | 4 | 3,932,101 | 4,197,000 | 1921 | 1923 | 12s-M3-19j-ONP-A3PT- | |
| 400 | 3,932,101 | 3,932,500 | 1921 |
|
|||
| 200 | 4,082,101 | 4,082,300 | 1922 | ||||
| 500 | 4,083,801 | 4,084,300 | 1922 |
|
|||
| 1,000 | 4,196,001 | 4,197,000 | 1923 |
|
|||
| 1,000 | 1 | 4,865,001 | 4,866,000 | 1927 | 1927 | 12s-M3-17j-ONP-A3PT- | |
| 1,000 | 4,865,001 | 4,866,000 | 1927 |