Pocket Watch Database
Rockford Size 18s Model 4: Grades
Model 4 Grades
| Grade | Total Grade/Model Production | Runs | Est. Production Years | Earliest Serial | Latest Serial | Profile Code |
|---|---|---|---|---|---|---|
| Unknown | 11,800 | 5 | 1883 - 1885 | 191,101 | 239,000 | 18s-M4 |
| 45 | 3,000 | 3 | 1885 - 1885 | 234,001 | 240,000 | 18s-M4-15j-OGL |
| 46 | 2,000 | 2 | 1886 - 1886 | 240,001 | 248,000 | 18s-M4-11j-OGL |
| 47 | 1,800 | 2 | 1885 - 1886 | 233,001 | 241,800 | 18s-M4-15j-ONL |