Illinois
Illinois Grade 99
Grade 99 is a 11 Jewels Openface watch manufactured by Illinois. The size 18s, Model 6 movement features a Nickel finish. Illinois introduced this particular grade to the market Spring 1887. Illinois manufactured a total of 17,190 Grade 99 movements in 73 distinctive runs.
Grade 99 Movement Characteristics
| Size | 18s |
|---|---|
| Jewels | 11 Jewels |
| Configuration | Openface |
| Finish | Nickel |
| Model | 6 |
| Setting | Lever |
| Adjusted | No |
| Railroad Grade | No |
| Profile Code | 18s-M6-11j-ONL |
Grade 99 Production Info
| Total Production | 17,190 |
|---|---|
| Number of Runs | 73 |
| Introduced | Spring 1887 |
| Production Years | 1893-1903 |
| First Serial | 1,207,001 |
| Last Serial | 1,651,760 |
| Largest Run | 700 |
| Smallest Run | 10 |
Research Notes
The May 1887 issue of The Keystone reports this grade was new to the market and was described as the only 11-Jewel movement on the market at the time with a patent regulator.