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: 1141790
Grade: Series 7
Variation: None
Model: 1908
Estimated Production Year: 1912
Run Quantity: 6,000
Total Production: 51,850
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
Database Version: v48.266

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Data Verification Reports

1137001
Verification Serial Map
1143000

Anonymous · February 24, 2022

Serial Number 1142147 was reported as accurate.

Anonymous · February 3, 2022

Serial Number 1142147 was reported as accurate.

Anonymous · May 7, 2021

Serial Number 1140673 was reported as accurate.

Anonymous · January 4, 2021

Serial Number 1137664 was reported as accurate.

Anonymous · May 16, 2020

Serial Number 1142205 was reported as accurate.

Anonymous · April 23, 2020

Serial Number 1137423 was reported as accurate.

okiejohn 310 · March 26, 2020

Serial Number 1137400 was reported as accurate.

Anonymous · May 30, 2019

Serial Number 1140942 was reported as accurate.

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

Anonymous · May 18, 2019

Serial Number 1137910 was reported as accurate.

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

Anonymous · April 5, 2019

Serial Number 1137790 was reported as accurate.

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

Anonymous · April 1, 2019

Serial Number 1142977 was reported as accurate.

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

Anonymous · February 19, 2019

Serial Number 1138565 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