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: 1380065
Grade: Series 7
Model: 1912
Estimated Production Year: 1920
Run Quantity: 6,000
Grade/Model Run: 17 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: 319.G38.12S81.121912M36.O19.P204.17J141
Database Version: v52.204
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: 8 (0.13%)
$ 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.


Anonymous · February 6, 2024

Serial Number 1382559 was reported as accurate.

Anonymous · November 3, 2022

Serial Number 1384436 was reported as accurate.

Anonymous · May 29, 2021

Serial Number 1383021 was reported as accurate.

Anonymous · May 13, 2021

Serial Number 1380146 was reported as accurate.

Anonymous · April 3, 2021

Serial Number 1384716 was reported as accurate.

Anonymous · March 8, 2021

Serial Number 1381267 was reported as accurate.

Anonymous · January 24, 2021

Serial Number 1381062 was reported as accurate.

Anonymous · May 1, 2020

Serial Number 1384363 was reported as accurate.

okiejohn 376 · April 6, 2020

Serial Number 1382372 was reported as accurate.

Anonymous · January 20, 2020

Serial Number 1380411 was reported as accurate.

Anonymous · November 28, 2019

Serial Number 1380556 was reported as accurate.

Anonymous · November 1, 2019

Serial Number 1383021 was reported as accurate.

Anonymous · October 17, 2019

Serial Number 1384836 was reported as accurate.

Anonymous · September 7, 2019

Serial Number 1381199 was reported as accurate.

Anonymous · June 18, 2019

Serial Number 1381575 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Rcardkidz 3379 · June 1, 2019

Serial Number 1381821 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 15, 2019

Serial Number 1381267 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · April 28, 2019

Serial Number 1383021 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · April 20, 2019

Serial Number 1381110 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

cmdraven 3957 · March 25, 2019

Serial Number 1383111 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · March 24, 2019

Serial Number 1383021 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
E. Howard Watch Co. (Keystone) Grade Series 7 Pocket Watch