Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1091435/movement
Access Date: June 02, 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:
-Series7-12s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 7
Manufacturer: | E. Howard Watch Co. (Keystone) |
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Manufacturer Location: | Waltham, Massachusetts |
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Movement Serial Number: | 1091435 |
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Grade: | Series 7 |
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Model: | 1908 |
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Estimated Production Year: | 1910 |
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Run Quantity: | 3,000 |
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Grade/Model Run: | 16 of 20 |
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Grade/Model Total Production: | 53,450 |
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Variant Est. Production: | 47,950 (12S-M1908-17J-ONP) |
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Size: | 12s |
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Jewels: | 17j |
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Jewel Setting: | Burnished Jewels |
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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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Plate: | Bridge Plate |
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Double Roller: | Yes |
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Barrel: | Safety |
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Regulator: | Reed |
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Hairspring: | Breguet |
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Standard Dial Type: | Single-Sunk |
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Adjusted: | Yes |
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Adjusted # of Positions: | 3 |
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Adjusted to Temperature: | Yes |
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Railroad Grade: | No |
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Movement Markings: |
E. Howard Watch Co. Boston U.S.A. Adjusted 17 Jewels Pat'd '08 |
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Case: | Various | ![]() |
Run ID: | 195.G17.12S32.121908M30.O119.P151.17J115 | ![]() |
Database Version: | v52.686 | ![]() |
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Registry Population: Scoped for This Run Only | 5 (0.17%) | ![]() |
$ Estimated Value (12 Month Change): | 15.58% Analyzing 438 Sales | ![]() |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 5 watches in the population registry for this run with 1 image.
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Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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.
MoatsJustin1 top-contributor 5461 · July 24, 2021
Serial Number 1093631 was reported as accurate.
Anonymous · May 26, 2021
Serial Number 1093345 was reported as inaccurate.
Anonymous · February 3, 2021
Serial Number 1093403 was reported as accurate.
Anonymous · July 6, 2020
Serial Number 1092450 was reported as accurate.
Anonymous · October 21, 2019
Serial Number 1092897 was reported as accurate.
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