Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/932573/movement
Access Date: May 03, 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:
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E. Howard Watch Co. (Keystone)
Grade: Series 3
Manufacturer: | E. Howard Watch Co. (Keystone) |
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Manufacturer Location: | Waltham, Massachusetts |
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Movement Serial Number: | 932573 |
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Grade: | Series 3 |
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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: | Hunting |
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Movement Finish: | Nickel |
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Finish Pattern: | Login to View |
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Movement Setting: | Pendant |
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Wind Mechanism: | Pendant |
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Plate: | 3/4 Plate |
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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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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: | 60.G24.16S35.161905M34.H16.P50.17J38 | ![]() |
Database Version: | v52.642 | ![]() |
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Registry Population: Scoped for This Run Only | 21 (2.10%) | ![]() |
19 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, 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 21 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.
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