Pocket Watch Database
E. Howard Watch Co. (Keystone) Grade Series 15 (Model 1921) Production Metrics
Grade:
Series 15
Size:
10s
Model:
1921
Total Runs:
2
Total Produced:
5,000
Production Era:
1921 - 1928
Earliest Serial:
#8,001
Latest Serial:
#53,000
E. Howard Watch Co. (Keystone) Grade Series 15 (Model 1921) Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1921,1922,1923,1924,1928]
[1000,1000,1000,1000,1000]
E. Howard Watch Co. (Keystone) Grade Series 15 (All Models) Production Metrics
Grade:
Series 15
Size:
10s
Model:
1921
Total Runs:
2
Total Produced:
5,000
Production Era:
1921 - 1928
Earliest Serial:
#8,001
Latest Serial:
#53,000
E. Howard Watch Co. (Keystone) Grade Series 15 Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1921,1922,1923,1924,1925,1926,1927,1928]
[1000,1000,1000,1000,0,0,0,1000]
E. Howard Watch Co. (Keystone) Grade Series 15 Production Runs
| Run Sequence | Run Start | Run End | Quantity | Est. Production Year | Profile Code |
|---|---|---|---|---|---|
| 1 | 8,001 | 12,000 | 4,000 | 1921 | 10S-M1921-19J-ONP-A5PTI |
| 2 | 52,001 | 53,000 | 1,000 | 1928 | 10S-M1921-19J-ONP-A5PTI |
RUNS2 |
FIRST8,001 |
LAST53,000 |
ESTIMATED PRODUCTION5,000 |
PRODUCTION ERA1921 - 1928 |