Illinois
Illinois Grade 187
Grade 187 is a 17 Jewels Openface watch manufactured by Illinois. The size 16s, Model 5 movement features a Nickel finish and is adjusted to 5 positions and temperature. During the time the watch was manufactured, it would have qualified for railroad service and is considered to be railroad grade. Illinois manufactured a total of 3,750 Grade 187 movements in 16 distinctive runs.
Grade 187 Movement Characteristics
| Size | 16s |
|---|---|
| Jewels | 17 Jewels |
| Configuration | Openface |
| Finish | Nickel |
| Model | 5 |
| Setting | Lever |
| Adjusted | Yes |
| Railroad Grade | Yes |
| Profile Code | 16s-M5-17j-ONL |
Grade 187 Production Info
| Total Production | 3,750 |
|---|---|
| Number of Runs | 16 |
| Production Years | 1898-1913 |
| First Serial | 1,419,401 |
| Last Serial | 2,487,600 |
| Largest Run | 500 |
| Smallest Run | 100 |