Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1312267/movement
Access Date: May 10, 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:
-Series11-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 11
| Manufacturer: | E. Howard Watch Co. (Keystone) |
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| Manufacturer Location: | Waltham, Massachusetts |
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| Movement Serial Number: | 1312267 |
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| Grade: | Series 11 |
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| Variation: | Login to View for Free |
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| Model: | E |
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| Estimated Production Year: | Login to View for Free |
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| Run Quantity: | Login to View for Free |
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| Grade/Model Run: | Login to View for Free |
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| Grade/Model Total Production: | Login to View for Free |
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| Variant Est. Production: | Login to View for Free |
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| Size: | 16s |
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| Jewels: | 21j |
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| Jewel Setting: | Login to View for Free |
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| Movement Configuration: | Openface |
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| Movement Finish: | Nickel |
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| Movement Setting: | Lever |
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| Wind Mechanism: | Pendant |
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| Plate: | Bridge Plate |
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| Regulator: | Login to View for Free |
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| Hairspring: | Login to View for Free |
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| Standard Dial Type: | Login to View for Free |
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| Adjusted: | Yes |
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| Adjusted to Position: | Yes |
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| Adjusted # of Positions: | 5 |
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| Adjusted to Temperature: | Yes |
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| Adjusted to Isochronism: | Yes |
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| Railroad Grade: | Login to View for Free |
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| Railroad Grade Classification: | Login to View for Free |
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| Movement Markings: | Login to View for Free | |
| Case: | Various | |
| Run ID: | 312.G6.16S194.M6.O224.L65.21J50 | |
| Database Version: | v52.645 | |
| Advanced Metrics | ||
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| Registry Population: Scoped for This Run Only | 10 (0.50%) | |
| $ Estimated Value (12 Month Change): | -5.16% Analyzing 218 Sales | |
13 Additional Member-Only Data Points Available
The following information is unlocked with a free account:
Variation, Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Railroad Grade Designation, Railroad Grade Classification, Movement Markings
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 10 watches in the population registry for this run with 5 images.
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Help Us Help Others By Improving the Database:
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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.
Hdskullfire2 7 · May 9, 2025
Serial Number 1312240 was reported as accurate.
Hdskullfire2 7 · May 9, 2025
Serial Number 1312240 was reported as accurate.
cjbrem Supporter 1073 · July 16, 2024
Serial Number 1312745 was reported as accurate.
Anonymous · August 10, 2022
Serial Number 1312038 was reported as accurate.
rjmurton1964 34 · April 4, 2020
Serial Number 1312217 was reported as accurate.
Anonymous · January 7, 2020
Serial Number 1313697 was reported as accurate.
Pair1949 1 · September 14, 2019
Serial Number 1312667 was reported as accurate.
Anonymous · January 27, 2019
Serial Number 1312534 was reported as accurate.
Anonymous · December 20, 2018
Serial Number 1313697 was reported as accurate.
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