Illinois
Illinois Grade 903
Grade 903 is a 15 Jewels Openface watch manufactured by Illinois. The size 6/0s, Model 2 movement features. Illinois manufactured a total of 168,620 Grade 903 movements in 172 distinctive runs.
Grade 903 Movement Characteristics
| Size | 6/0s |
|---|---|
| Jewels | 15 Jewels |
| Configuration | Openface |
| Finish | |
| Model | 2 |
| Setting | Pendant |
| Profile Code | 6/0s-M2-15j-OP |
Grade 903 Production Info
| Total Production | 168,620 |
|---|---|
| Number of Runs | 172 |
| Production Years | 1915-1929 |
| First Serial | 2,689,101 |
| Last Serial | 5,287,000 |
| Largest Run | 2,000 |
| Smallest Run | 20 |