Pocket Watch Database
E. Howard Watch Co. (Keystone) Size 12s Model 1908: Grades
Model 1908 Grades
| Grade | Total Grade/Model Production | Runs | Est. Production Years | Earliest Serial | Latest Serial | Profile Code |
|---|---|---|---|---|---|---|
| Series 6 | 6,700 | 9 | 1908 - 1912 | 999,801 | 1,122,500 | 12s-M1908-19j-ONP/HNP |
| Series 7 | 52,950 | 20 | 1908 - 1912 | 977,001 | 1,143,000 | 12s-M1908-17j-ONP/HNP |
| Series 8 | 4,450 | 16 | 1909 - 1912 | 1,055,901 | 1,121,000 | 12s-M1908-21j/23j-HNP/ONP |