Pocket Watch Database
Rockford Grade 88 (Model 7) Production Metrics
Grade:
88
Size:
18s
Model:
7
Total Runs:
5
Total Produced:
1,700
Production Era:
1888 - 1890
Earliest Serial:
#310,501
Latest Serial:
#352,500
Rockford Grade 88 (Model 7) Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1888,1889,1890]
[200,1000,500]
Rockford Grade 88 (All Models) Production Metrics
Grade:
88
Size:
18s
Model:
7
Total Runs:
5
Total Produced:
1,700
Production Era:
1888 - 1890
Earliest Serial:
#310,501
Latest Serial:
#352,500
Rockford Grade 88 Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1888,1889,1890]
[200,1000,500]
Rockford Grade 88 Production Runs
| Run Sequence | Run Start | Run End | Quantity | Est. Production Year | Profile Code |
|---|---|---|---|---|---|
| 1 | 310,501 | 310,700 | 200 | 1888 | 18S-M7-16J-OTL-APTI-LP |
| 2 | 330,801 | 331,000 | 200 | 1889 | 18S-M7-16J-OTL-APTI-LP |
| 3 | 338,001 | 338,500 | 500 | 1889 | 18S-M7-16J-OTL-APTI-LP |
| 4 | 348,001 | 348,300 | 300 | 1889 | 18S-M7-16J-OTL-APTI-LP |
| 5 | 352,001 | 352,500 | 500 | 1890 | 18S-M7-16J-OTL-APTI-LP |
RUNS5 |
FIRST310,501 |
LAST352,500 |
ESTIMATED PRODUCTION1,700 |
PRODUCTION ERA1888 - 1890 |