Pocket Watch Database

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:
E. Howard Watch Co. (Keystone) Grade Series 8 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 8

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1095072
Grade: Series 8
Model: 1908
Estimated Production Year: 1911
Run Quantity: 500
Grade/Model Run: 8 of 16
Grade/Model Total Production: 4,950
Variant Est. Production: 500 (12S-M1908-23J-HNP)
Size: 12s
Jewels: 23j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 186.G8.12S31.121908M31.H57.P135.23J18
Database Version: v52.221
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.79
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.91
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.116%
Registry Population: 3 (0.60%)

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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.


Anonymous · September 29, 2021

Serial Number 1095114 was reported as accurate.

mmugmon 2 · June 9, 2021

Serial Number 1095072 was reported as accurate.

mmugmon 2 · June 9, 2021

Serial Number 1095072 was reported as accurate.

mmugmon 2 · June 9, 2021

Serial Number 1095072 was reported as accurate.

mmugmon 2 · June 9, 2021

Serial Number 1095072 was reported as accurate.

Anonymous · November 25, 2020

Serial Number 1095057 was reported as inaccurate.

Note: 21j
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · January 1, 2019

Serial Number 1095023 was reported as inaccurate.

No further details were submitted with the report.
E. Howard Watch Co. (Keystone) Grade Series 8 Pocket Watch