U.S. Watch Co. (Waltham, Mass)
U.S. Watch Co. (Waltham, Mass) Grade 93
Grade 93 is a 15 Jewels Openface watch manufactured by U.S. Watch Co. (Waltham, Mass). The size 18s, Model 1892 movement features a Nickel finish. Each movement was fitted at the factory with a double-sunk dial. U.S. Watch Co. (Waltham, Mass) manufactured a total of 1,500 Grade 93 movements in 2 distinctive runs.
Grade 93 Movement Characteristics
| Size | 18s |
|---|---|
| Jewels | 15 Jewels |
| Configuration | Openface |
| Finish | Nickel |
| Model | 1892 |
| Setting | Lever |
| Adjusted | No |
| Profile Code | 18s-M1892-15j-ONL |
Grade 93 Production Info
| Total Production | 1,500 |
|---|---|
| Number of Runs | 2 |
| Production Years | 1902-1902 |
| First Serial | 607,501 |
| Last Serial | 614,000 |
| Largest Run | 1,000 |
| Smallest Run | 500 |
Research Notes
"Ground Seconds and Center"