Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1188443/link
Access Date: May 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:
-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: | 1188443 |
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| Grade: | Series 11 |
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| Variation: | Login to View |
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| Model: | E |
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| Estimated Production Year: | Login to View |
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| Run Quantity: | Login to View |
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| Grade/Model Run: | Login to View |
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| Grade/Model Total Production: | Login to View |
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| Size: | 16s |
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| Jewels: | 21j |
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| Jewel Setting: | Login to View |
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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 |
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| Hairspring: | Login to View |
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| Standard Dial Type: | Login to View |
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| Adjusted: | Login to View |
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| Adjusted to Position: | Login to View |
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| Adjusted # of Positions: | Login to View |
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| Adjusted to Temperature: | Login to View |
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| Adjusted to Isochronism: | Login to View |
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| Railroad Grade: | Login to View |
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| Railroad Grade Classification: | Login to View |
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| Movement Markings: | Login to View | |
| Case: | Various | |
| Run ID: | 272.G2.16S181.M2.O187.L55.21J41 | |
| Database Version: | v52.645 | |
| Advanced Metrics | ||
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| Registry Population: Scoped for This Run Only | 12 (0.80%) | |
| $ Estimated Value (12 Month Change): | -5.16% Analyzing 218 Sales | |
17 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, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, 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 12 watches in the population registry for this run with 3 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.
Anonymous · April 16, 2025
Serial Number 1188824 was reported as accurate.
Anonymous · September 30, 2023
Serial Number 1189292 was reported as accurate.
Anonymous · August 12, 2023
Serial Number 1188198 was reported as accurate.
mbellich Supporter 31 · November 4, 2022
Serial Number 1188510 was reported as accurate.
Anonymous · September 1, 2022
Serial Number 1188674 was reported as accurate.
Anonymous · August 22, 2021
Serial Number 1188470 was reported as accurate.
Anonymous · August 28, 2020
Serial Number 1188485 was reported as accurate.
2mnyboxers Supporter 410 · May 12, 2020
Serial Number 1188427 was reported as accurate.
Automatic 254 · May 8, 2020
Serial Number 1188427 was reported as accurate.
rmwatchandclock Supporter 384 · March 17, 2020
Serial Number 1188347 was reported as accurate.
Anonymous · August 9, 2019
Serial Number 1188485 was reported as accurate.
Anonymous · May 30, 2019
Serial Number 1189037 was reported as accurate.
Anonymous · March 28, 2019
Serial Number 1189037 was reported as accurate.
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