Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/977358
Access Date: June 09, 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: | 977358 |
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Grade: | Series 7 |
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Variation: | Stopworks |
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Model: | 1908 |
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Estimated Production Year: | 1908 |
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Run Quantity: | 1,000 |
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Grade/Model Run: | 1 of 20 |
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Grade/Model Total Production: | 53,450 |
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Variant Est. Production: | 13,750 (12S-M1908-17J-ONP-A3PT-STOPWORKS) |
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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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Finish Pattern: | Paralell |
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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 |
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Case: | Various | ![]() |
Run ID: | 120.G1.12S2.121908M1.O69.P102.17J88 | ![]() |
Database Version: | v52.704 | ![]() |
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Registry Population: Scoped for This Run Only | 2 (0.20%) | ![]() |
$ Estimated Value (12 Month Change): | 18.67% Analyzing 439 Sales | ![]() |
Research Note: Equipped with Stop-Works
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Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
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There are 2 watches in the population registry for this run with 1 image.
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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.
1Shootist Supporter 125 · May 22, 2025
Serial Number 977358 was reported as accurate.
Anonymous · May 23, 2023
Serial Number 977618 was reported as accurate.
Anonymous · February 1, 2023
Serial Number 977247 was reported as accurate.
MoatsJustin1 top-contributor 5501 · December 31, 2020
Serial Number 977076 was reported as accurate.
Anonymous · September 27, 2019
Serial Number 977940 was reported as accurate.
Anonymous · April 30, 2019
Serial Number 977575 was reported as accurate.
TheKid14 1 · March 23, 2019
Serial Number 977575 was reported as inaccurate.
December 25, 1909 so that may point to the
production run starting in late 1909 instead of
1910.
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