Pocket Watch Database
Rockford Grade 510 (Model 4) Production Metrics
Grade:
510
Size:
16s
Model:
4
Total Runs:
3
Total Produced:
500
Production Era:
1899 - 1903
Earliest Serial:
#546,701
Latest Serial:
#628,800
Rockford Grade 510 (Model 4) Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1899,1903]
[100,400]
Rockford Grade 510 (All Models) Production Metrics
Grade:
510
Size:
16s
Model:
4
Total Runs:
3
Total Produced:
500
Production Era:
1899 - 1903
Earliest Serial:
#546,701
Latest Serial:
#628,800
Rockford Grade 510 Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1899,1900,1901,1902,1903]
[100,0,0,0,400]
Rockford Grade 510 Production Runs
| Run Sequence | Run Start | Run End | Quantity | Est. Production Year | Profile Code |
|---|---|---|---|---|---|
| 1 | 546,701 | 546,800 | 100 | 1899 | 16S-M4-21J-HNL-A5PTI |
| 2 | 626,201 | 626,400 | 200 | 1903 | 16S-M4-21J-HNL-A5PTI |
| 3 | 628,601 | 628,800 | 200 | 1903 | 16S-M4-21J-HNL-A5PTI |
RUNS3 |
FIRST546,701 |
LAST628,800 |
ESTIMATED PRODUCTION500 |
PRODUCTION ERA1899 - 1903 |