Non-Magnetic Watch Co.
Non-Magnetic Watch Co. 21J+
21J+ is a 21 Jewels Hunting watch manufactured by Non-Magnetic Watch Co.. The size 16s, Model 1 movement features a Nickel finish and is adjusted to 6 positions, isochronism and temperature. Non-Magnetic Watch Co. introduced this particular grade to the market 1887. Each movement was fitted at the factory with a double-sunk dial. Non-Magnetic Watch Co. manufactured a total of 20 21J+ movements in 1 distinctive runs.
21J+ Movement Characteristics
| Size | 16s |
|---|---|
| Jewels | 21 Jewels |
| Configuration | Hunting |
| Finish | Nickel |
| Model | 1 |
| Setting | Lever |
| Adjusted | Yes |
| Profile Code | 16s-M1-21j-HNL |
21J+ Production Info
| Total Production | 20 |
|---|---|
| Number of Runs | 1 |
| Introduced | 1887 |
| Production Years | 1887-1887 |
| First Serial | 55,781 |
| Last Serial | 55,800 |
| Largest Run | 20 |
| Smallest Run | 20 |