Pocket Watch Database
Rockford Grade 87 (Model 7) Production Metrics
Grade:
87
Size:
18s
Model:
7
Total Runs:
8
Total Produced:
5,500
Production Era:
1888 - 1891
Earliest Serial:
#310,001
Latest Serial:
#376,000
Rockford Grade 87 (Model 7) Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1888,1889,1890,1891]
[500,2000,1500,1500]
Rockford Grade 87 (All Models) Production Metrics
Grade:
87
Size:
18s
Model:
7
Total Runs:
8
Total Produced:
5,500
Production Era:
1888 - 1891
Earliest Serial:
#310,001
Latest Serial:
#376,000
Rockford Grade 87 Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1888,1889,1890,1891]
[500,2000,1500,1500]
Rockford Grade 87 Production Runs
Run Sequence | Run Start | Run End | Quantity | Est. Production Year | Profile Code |
---|---|---|---|---|---|
1 | 310,001 | 310,500 | 500 | 1888 | 18S-M7-15J-OTL-A-LP |
2 | 330,001 | 330,800 | 800 | 1889 | 18S-M7-15J-OTL-A-LP |
3 | 346,001 | 347,000 | 1,000 | 1889 | 18S-M7-15J-OTL-A-LP |
4 | 348,301 | 348,500 | 200 | 1889 | 18S-M7-15J-OTL-A-LP |
5 | 351,001 | 352,000 | 1,000 | 1890 | 18S-M7-15J-OTL-A-LP |
6 | 359,001 | 359,500 | 500 | 1890 | 18S-M7-15J-OTL-A-LP |
7 | 370,501 | 371,000 | 500 | 1891 | 18S-M7-15J-OTL-A-LP |
8 | 375,001 | 376,000 | 1,000 | 1891 | 18S-M7-15J-OTL-A-LP |
RUNS8 |
FIRST310,001 |
LAST376,000 |
ESTIMATED PRODUCTION5,500 |
PRODUCTION ERA1888 - 1891 |