Pocket Watch Database
E. Howard Watch Co. (Keystone) Series 12 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1921,1922,1923,1924,1925,1926,1927,1928]
[6500,6500,6500,6500,4000,0,4000,13450]
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| Series 12 | 47,450 | 5 | 12,001 | 63,450 | 1921 | 1928 | |
| 26,000 | 12,001 | 38,000 | 1921 | 1924 |
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| 4,000 | 39,001 | 43,000 | 1925 |
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| 4,000 | 44,001 | 48,000 | 1927 |
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| 3,000 | 49,001 | 52,000 | 1928 |
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| 10,450 | 53,001 | 63,450 | 1928 |
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