Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1170930
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:
-Series10-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 10
| Manufacturer: | E. Howard Watch Co. (Keystone) |
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| Manufacturer Location: | Waltham, Massachusetts |
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| Movement Serial Number: | 1170930 |
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| Grade: | Series 10 |
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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: | 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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| Finish Pattern: | Login to View |
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| Movement Inlay Color: | Login to View |
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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: | Going |
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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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| Dial Feet Locations: | Login to View |
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| Movement Markings: | Login to View | |
| Case: | Various | |
| Run ID: | 265.G15.16S179.161907M74.O182.L53.21J39 | |
| Database Version: | v52.642 | |
| Advanced Metrics | ||
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| Registry Population: Scoped for This Run Only | 9 (0.54%) | |
| $ Estimated Value (12 Month Change): | 0.66% Analyzing 187 Sales | |
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 Setting, Finish Pattern, Movement Inlay Color, 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 9 watches in the population registry for this run with 7 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.
aconner 63 · March 25, 2023
Serial Number 1170346 was reported as inaccurate.
base, but it is actually lever set. That is all.
Al
Anonymous · August 21, 2022
Serial Number 1170524 was reported as accurate.
chanea90 32 · July 29, 2022
Serial Number 1171217 was reported as inaccurate.
would of qualified for railroad service when
produced.
Anonymous · February 27, 2022
Serial Number 1171749 was reported as accurate.
okiejohn 406 · November 29, 2021
Serial Number 1171773 was reported as accurate.
aconner 63 · July 24, 2021
Serial Number 1170346 was reported as accurate.
23Greenwich Supporter 280 · July 8, 2021
Serial Number 1170497 was reported as accurate.
Anonymous · December 1, 2020
Serial Number 1171987 was reported as accurate.
Anonymous · January 15, 2020
Serial Number 1171341 was reported as accurate.
Anonymous · December 9, 2018
Serial Number 1170324 was reported as accurate.
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