Pocket Watch Database
New York Standard Watch Co. Size 0s Model 21: Grades
Model 21 Grades
| Grade | Total Grade/Model Production | Runs | Est. Production Years | Earliest Serial | Latest Serial | Profile Code |
|---|---|---|---|---|---|---|
| 302 | 105,000 | 1 | 1909 - 1915 | 80,001 | 185,000 | 0s-M21-7j-HNP |