Hamilton
Hamilton Grade 978
Grade 978 is a 17 Jewels Openface watch manufactured by Hamilton. The size 16s, Model 1 movement features a Nickel finish and is adjusted to 3 positions, isochronism and temperature. Each movement was fitted at the factory with a double-sunk dial. Hamilton manufactured a total of 4,000 Grade 978 movements in 5 distinctive runs.
Grade 978 Movement Characteristics
| Size | 16s |
|---|---|
| Jewels | 17 Jewels |
| Configuration | Openface |
| Finish | Nickel |
| Model | 1 |
| Setting | Lever |
| Adjusted | Yes |
| Railroad Grade | No |
| Profile Code | 16s-M1-17j-ONL |
Grade 978 Production Info
| Total Production | 4,000 |
|---|---|
| Number of Runs | 5 |
| Production Years | 1912-1913 |
| First Serial | 891,601 |
| Last Serial | 1,043,700 |
| Largest Run | 2,000 |
| Smallest Run | 300 |