Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/972585
Access Date: May 02, 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:
-Series4-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 4
| Manufacturer: | E. Howard Watch Co. (Keystone) |
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| Manufacturer Location: | Waltham, Massachusetts |
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| Movement Serial Number: | 972585 |
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| Grade: | Series 4 |
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| Model: | 1905 |
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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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| Variant Est. Production: | Login to View |
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| Size: | 16s |
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| Jewels: | 17j |
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| Jewel Material: | Login to View |
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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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| Finish Pattern: | Login to View |
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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 |
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| Hairspring: | Login to View |
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| Pallet Jewel Material: | Sapphire |
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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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| U.S. Patents: | Login to View |
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| Dial Feet Locations: | Login to View |
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| Movement Markings: | Login to View | |
| Case: | Various | |
| Run ID: | 111.G20.16S86.161905M76.O63.L3.17J80 | |
| Database Version: | v52.642 | |
| Advanced Metrics | ||
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| Registry Population: Scoped for This Run Only | 19 (2.38%) | |
| $ Estimated Value (12 Month Change): | -2.25% Analyzing 75 Sales | |
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Research Note: #972327: Reported as Pendant-Set.
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20 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 Material, Jewel Setting, Finish Pattern, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, 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 19 watches in the population registry for this run with 1 image.
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Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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 · January 1, 2022
Serial Number 972040 was reported as accurate.
snellingt Supporter 32 · August 21, 2020
Serial Number 972139 was reported as accurate.
Andrew9000 85 · February 26, 2020
Serial Number 972570 was reported as accurate.
Andrew9000 85 · February 26, 2020
Serial Number 972570 was reported as accurate.
Anonymous · November 17, 2019
Serial Number 972487 was reported as inaccurate.
set cutout is present on the dial side of the
pillar plate. The balance wheel has 4 gold mean
time screws but the remaining weighting screws are
brass which is characteristic of a 3 position
movement. This movement maybe an example of the
transition of the 5 position series 4 to a 3
position series 9, while keeping the same
damaskeening. There is no clear cut SN demarcation
where this change began to take place,
Anonymous · January 6, 2019
Serial Number 972476 was reported as accurate.
avpalermo Supporter 691 · December 19, 2018
Serial Number 972087 was reported as accurate.
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