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 6 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 6

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1266735
Grade: Series 6
Model: 1912
Estimated Production Year: 1914
Run Quantity: 1,000
Grade/Model Run: 7 of 10
Grade/Model Total Production: 13,000
Size: 12s
Jewels: 19j
Jewel Setting: Burnished Jewels
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Regulator: Reed
Hairspring: Breguet
Standard Dial Type: Single-Sunk
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: No
Movement Markings: E. Howard Watch Co.
Boston U.S.A.
19 Jewels
Pat'd '12
Adjustment
Five Positions And Temperature
Case: Various
Run ID: 294.G16.12S73.121912M28.O208.P207.19J47
Database Version: v52.406
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
39.14
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
137.61
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.488%
Registry Population:
Scoped for This Run Only
3 (0.30%)

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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.


esrun59 15 · June 16, 2023

Serial Number 1266735 was reported as accurate.

ebsrods Supporter 123 · April 19, 2023

Serial Number 1266701 was reported as accurate.

Anonymous · February 26, 2021

Serial Number 1266013 was reported as accurate.

Anonymous · October 21, 2020

Serial Number 1266933 was reported as accurate.

Anonymous · March 24, 2020

Serial Number 1266253 was reported as accurate.

GlennOscar 5 · January 5, 2020

Serial Number 1266696 was reported as accurate.

Anonymous · July 24, 2019

Serial Number 1266362 was reported as accurate.

Anonymous · March 28, 2019

Serial Number 1266902 was reported as accurate.

E. Howard Watch Co. (Keystone) Grade Series 6 Pocket Watch