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: 1066809
Grade: Series 8
Model: 1908
Estimated Production Year: 1911
Run Quantity: 200
Grade/Model Run: 4 of 16
Grade/Model Total Production: 4,950
Variant Est. Production: 3,465 (12S-M1908-21J-ONP)
Size: 12s
Jewels: 21j
Movement Configuration: Openface
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: 164.G4.12S21.121908M21.O91.P123.21J8
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
13.02
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
43.44
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.842%
Registry Population: 1 (0.50%)
Research Note: #1066894: Reported as Stamped "21 Jewels."

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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 · December 17, 2019

Serial Number 1066817 was reported as accurate.

Anonymous · April 16, 2019

Serial Number 1066810 was reported as accurate.

Anonymous · February 17, 2019

Serial Number 1066894 was reported as accurate.

Anonymous · January 12, 2019

Serial Number 1066894 was reported as inaccurate.

Note: Stamped 21 jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Grade changed from Series 6 to Series 8
Jewels changed from 19j to 21j
E. Howard Watch Co. (Keystone) Grade Series 8 Pocket Watch