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 7 Pocket Watch

E. Howard Watch Co. (Keystone)

Grade: Series 7

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1157979
Grade: Series 7
Model: 1912
Estimated Production Year: 1912
Run Quantity: 1,500
Grade/Model Run: 2 of 19
Grade/Model Total Production: 179,100
Size: 12s
Jewels: 17j
Movement Configuration: Openface or Hunting
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Double Roller: Yes
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 249.G23.12S48.121912M3.O11.P163.17J123
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
155.99
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
521.42
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
10.083%
Registry Population: 1 (0.07%)
$ Estimated Value (12 Month Change): 2.16% Analyzing 454 Sales

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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.


JungleJim 4 · August 3, 2023

Serial Number 1157699 was reported as accurate.

PHIL1199 Supporter 940 · July 30, 2022

Serial Number 1157924 was reported as accurate.

Anonymous · May 26, 2020

Serial Number 1157372 was reported as accurate.

E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch