Pocket Watch Database
E. Howard Watch Co. (Keystone) Series 1 Production Charts
Note: Production dates are estimations but should be accurate within +/- 3 years.
[1910,1911,1912]
[200,1500,4000]
| Grade | Production | Runs | Lowest | Highest | Start | End | Profile Code/Image |
|---|---|---|---|---|---|---|---|
| Series 1 | 5,700 | 7 | 970,501 | 1,115,000 | 1910 | 1912 | |
| 200 | 1 | 970,501 | 970,700 | 1910 | 1910 | 16s-M1907-19j-ONP-A0PTI-Type 2 | |
| 200 | 970,501 | 970,700 | 1910 | ||||
| 1,500 | 1 | 1,095,501 | 1,097,000 | 1911 | 1911 | 16s-M1907-21j-ONL-A0PTI-Type 3A | |
| 1,500 | 1,095,501 | 1,097,000 | 1911 |
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| 3,000 | 3 | 1,100,001 | 1,107,500 | 1912 | 1912 | 16s-M1907-21j-ONL-A0PTI-Mixed | |
| 1,500 | 1,100,001 | 1,101,500 | 1912 |
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| 1,000 | 1,102,001 | 1,103,000 | 1912 | ||||
| 500 | 1,107,001 | 1,107,500 | 1912 |
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| 400 | 1 | 1,114,001 | 1,114,400 | 1912 | 1912 | 16s-M1907-21j-ONL-A0PTI-Type 3B | |
| 400 | 1,114,001 | 1,114,400 | 1912 | ||||
| 600 | 1 | 1,114,401 | 1,115,000 | 1912 | 1912 | 16s-M1907-21j-ONL-A0PTI-Type 5 | |
| 600 | 1,114,401 | 1,115,000 | 1912 |
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