Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1145536
Access Date: May 11, 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:
-Series9-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 9
| Manufacturer: | E. Howard Watch Co. (Keystone) |
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| Manufacturer Location: | Waltham, Massachusetts |
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| Movement Serial Number: | 1145536 |
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| Grade: | Series 9 |
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| Model: | 1905 |
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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: | 17j |
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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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| Finish Pattern: | Login to View for Free |
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| Movement Setting: | Lever |
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| Wind Mechanism: | Pendant |
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| Plate: | 3/4 Plate |
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| Double Roller: | Yes |
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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 # of Positions: | 3 |
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| Adjusted to Temperature: | Yes |
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| Adjusted to Isochronism: | Yes |
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| U.S. Patents: | Login to View for Free |
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| Dial Feet Locations: | Login to View for Free |
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| Movement Markings: | Login to View for Free | |
| Case: | Various | |
| Run ID: | 245.G13.16S162.161905M97.O162.L42.17J125 | |
| Database Version: | v52.645 | |
| Advanced Metrics | ||
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| Registry Population: Scoped for This Run Only | 11 (2.20%) | |
13 Additional Member-Only Data Points Available
The following information is unlocked with a free account:
Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Setting, Finish Pattern, Regulator Type, Hairspring, Standard Dial Type, U.S. Patents, Dial Feet Locations, Movement Markings
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
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There are 11 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.
cjbrem Supporter 1073 · December 14, 2024
Serial Number 1145988 was reported as accurate.
Anonymous · March 23, 2022
Serial Number 1145779 was reported as inaccurate.
serial number 1145779 is a pendent set. Also, the
gears seem to be nickel plated.
Anonymous · March 23, 2022
Serial Number 1145779 was reported as inaccurate.
Anonymous · October 27, 2020
Serial Number 1145988 was reported as accurate.
Anonymous · October 15, 2019
Serial Number 1145800 was reported as inaccurate.
Anonymous · September 4, 2019
Serial Number 1145894 was reported as accurate.
ScottA 30 · June 20, 2019
Serial Number 1145900 was reported as accurate.
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This WatchFrom This Runuploaded by pocketwatch101
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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