Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1100329
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:
-Series1-16s-Model1907.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 1
| Manufacturer: | E. Howard Watch Co. (Keystone) |
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| Manufacturer Location: | Waltham, Massachusetts |
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| Movement Serial Number: | 1100329 |
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| Grade: | Series 1 |
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| Variation: | Login to View for Free |
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| Model: | 1907 |
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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 Material: | Login to View for Free |
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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 Inlay Color: | Login to View for Free |
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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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| Bridge Type: | Center |
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| Double Roller: | Yes |
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| Barrel: | Safety |
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| Regulator: | Login to View for Free |
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| Hairspring: | Login to View for Free |
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| Pallet Jewel Material: | Sapphire |
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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: | 3 or 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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| Dial Feet Locations: | Login to View for Free |
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| Movement Markings: | Login to View for Free | |
| Case: | Various | |
| Run ID: | 199.G5.16S133.161907M33.O122.L23.21J15 | |
| Database Version: | v52.645 | |
| Advanced Metrics | ||
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Members Only Data.
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| Registry Population: Scoped for This Run Only | 10 (0.67%) | |
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Research Note: Mixed Run: Marked "No. 1" or "No. 10" or no series marking. #1100348 and #1100388: Marked "No. 10."
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16 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 Material, Jewel Setting, Finish Pattern, Movement Inlay Color, Regulator Type, Hairspring, Standard Dial Type, Railroad Grade Designation, 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 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.
rokitmunky Supporter 11 · May 8, 2025
Serial Number 1101437 was reported as accurate.
cjbrem Supporter 1073 · September 3, 2024
Serial Number 1101197 was reported as accurate.
weepinglion 48 · August 27, 2024
Serial Number 1101376 was reported as accurate.
MoatsJustin1 top-contributor 5448 · December 14, 2023
Serial Number 1101105 was reported as accurate.
Anonymous · September 22, 2022
Serial Number 1101143 was reported as accurate.
CJEmpire3 Supporter 127 · December 2, 2021
Serial Number 1101177 was reported as accurate.
Anonymous · May 2, 2021
Serial Number 1100360 was reported as accurate.
Anonymous · December 11, 2020
Serial Number 1100199 was reported as accurate.
ABUMALEK 99 · April 29, 2020
Serial Number 1100713 was reported as accurate.
Schmidty Supporter 7 · February 10, 2020
Serial Number 1101466 was reported as accurate.
Harlton Supporter 98 · January 27, 2020
Serial Number 1100084 was reported as accurate.
cjbrem Supporter 1073 · January 4, 2020
Serial Number 1100329 was reported as accurate.
Anonymous · November 20, 2019
Serial Number 1101088 was reported as accurate.
Anonymous · November 17, 2019
Serial Number 1100426 was reported as accurate.
Anonymous · July 21, 2019
Serial Number 1101077 was reported as accurate.
tink5249 2 · May 25, 2019
Serial Number 1100506 was reported as accurate.
Anonymous · May 22, 2019
Serial Number 1100199 was reported as accurate.
cjbrem Supporter 1073 · March 24, 2019
Serial Number 1100329 was reported as accurate.
Anonymous · February 28, 2019
Serial Number 1100506 was reported as accurate.
Anonymous · February 18, 2019
Serial Number 1101108 was reported as inaccurate.
grade movement, It is lever set and adjusted to 5
positions
Anonymous · January 21, 2019
Serial Number 1100934 was reported as inaccurate.
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