Pocket Watch Database
Rockford Grade 400 (Model 4) Production Metrics
Grade:
400
Size:
16s
Model:
4
Total Runs:
3
Total Produced:
1,400
Production Era:
1903 - 1908
Earliest Serial:
#625,001
Latest Serial:
#762,500
Rockford Grade 400 (Model 4) Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1903,1905,1908]
[400,500,500]
Rockford Grade 400 (All Models) Production Metrics
Grade:
400
Size:
16s
Model:
4
Total Runs:
3
Total Produced:
1,400
Production Era:
1903 - 1908
Earliest Serial:
#625,001
Latest Serial:
#762,500
Rockford Grade 400 Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1903,1904,1905,1906,1907,1908]
[400,0,500,0,0,500]
Rockford Grade 400 Production Runs
| Run Sequence | Run Start | Run End | Quantity | Est. Production Year | Profile Code |
|---|---|---|---|---|---|
| 1 | 625,001 | 625,400 | 400 | 1903 | 16S-M4-17J-HNL-A5PTI |
| 2 | 659,501 | 660,000 | 500 | 1905 | 16S-M4-17J-HNL-A5PTI |
| 3 | 762,001 | 762,500 | 500 | 1908 | 16S-M4-17J-HNP-A5PTI |
RUNS3 |
FIRST625,001 |
LAST762,500 |
ESTIMATED PRODUCTION1,400 |
PRODUCTION ERA1903 - 1908 |