Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1050778
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:
-Series5-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 5
| Manufacturer: | E. Howard Watch Co. (Keystone) |
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| Manufacturer Location: | Waltham, Massachusetts |
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| Movement Serial Number: | 1050778 |
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| Grade: | Series 5 |
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| Variation: | Login to View |
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| Model: | 1907 |
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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: | 19j |
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| Jewel Material: | 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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| Bridge Type: | Center |
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| Double Roller: | Yes |
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| Barrel: | Jeweled Safety |
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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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| Dial Feet Locations: | Login to View |
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| Movement Markings: | Login to View | |
| Case: | Various | |
| Run ID: | 152.G8.16S113.161907M14.O87.L12.19J13 | |
| Database Version: | v52.645 | |
| Advanced Metrics | ||
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| Registry Population: Scoped for This Run Only | 5 (0.71%) | |
| $ Estimated Value (12 Month Change): | -2.40% Analyzing 105 Sales | |
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Research Note: Serial number marked on pillar plate.
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18 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, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, 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 5 watches in the population registry for this run with 4 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.
cardinalsleeping 4 · December 2, 2024
Serial Number 1050778 was reported as accurate.
Anonymous · November 16, 2024
Serial Number 1050422 was reported as accurate.
ebsrods Supporter 131 · September 9, 2024
Serial Number 1050562 was reported as accurate.
Anonymous · November 18, 2023
Serial Number 1050641 was reported as inaccurate.
series 5 with 2 finger bridge nickel movement.
Anonymous · January 3, 2020
Serial Number 1050132 was reported as accurate.
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