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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/howard-clock-watch-co/1107521
https://pocketwatchdatabase.com/search/result/howard-clock-watch-co/1107521
Access Date: May 12, 2025
Due to the lack of existing factory records, our E. Howard Watch Co. (Keystone) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.
From the American Horology Archive:
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E. Howard Watch Co. (Keystone)
Grade: Series 6
| Manufacturer: | E. Howard Watch Co. (Keystone) |
|
| Manufacturer Location: | Waltham, Massachusetts |
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| Movement Serial Number: | 1107521 |
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| Grade: | Series 6 |
|
| Model: | 1908 |
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| Estimated Production Year: | 1911 |
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| Run Quantity: | 500 |
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| Grade/Model Run: | 7 of 9 |
|
| Grade/Model Total Production: | 6,700 |
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| Variant Est. Production: | 6,500 (12S-M1908-19J-ONP) |
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| Size: | 12s |
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| Jewels: | 19j |
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| Movement Configuration: | Openface |
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| Movement Finish: | Nickel |
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| Movement Setting: | Pendant |
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| Wind Mechanism: | Pendant |
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| Plate: | Bridge Plate |
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| Double Roller: | Yes |
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| Hairspring: | Breguet |
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| Adjusted: | Yes |
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| Adjusted # of Positions: | 5 |
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| Adjusted to Temperature: | Yes |
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| Railroad Grade: | No |
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| Case: | Various | |
| Run ID: | 210.G7.12S38.121908M34.O131.P159.19J32 | |
| Database Version: | v52.646 | |
| Advanced Metrics | ||
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Verification Reports for this Run
The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.
Anonymous · September 16, 2022
Serial Number 1107524 was reported as accurate.
Weezypoof 3 · May 11, 2022
Serial Number 1107521 was reported as accurate.
