Pocket Watch Database
New York Standard Watch Co. Size 0s Model AI: Grades
Model AI Grades
| Grade | Total Grade/Model Production | Runs | Est. Production Years | Earliest Serial | Latest Serial | Profile Code |
|---|---|---|---|---|---|---|
| Ideal 300 | 46,000 | 4 | 1887 - 1920 | AI000001 | 860,000 | 0s-MAI-7j-HNP |