Hamilton
Hamilton Grade 970
Grade 970 is a 21 Jewels Openface watch manufactured by Hamilton. The size 16s, Model 1 movement features a Nickel finish and is adjusted to 5 positions, isochronism and temperature. During the time the watch was manufactured, it would have qualified for railroad service and is considered to be railroad grade. Each movement was fitted at the factory with a double-sunk dial. Hamilton manufactured a total of 2,900 Grade 970 movements in 14 distinctive runs.
Grade 970 Movement Characteristics
| Size | 16s |
|---|---|
| Jewels | 21 Jewels |
| Configuration | Openface |
| Finish | Nickel |
| Model | 1 |
| Setting | Pendant |
| Adjusted | Yes |
| Railroad Grade | Yes |
| Profile Code | 16s-M1-21j-ONP |
Grade 970 Production Info
| Total Production | 2,900 |
|---|---|
| Number of Runs | 14 |
| Production Years | 1901-1910 |
| First Serial | 70,201 |
| Last Serial | 348,200 |
| Largest Run | 500 |
| Smallest Run | 100 |