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 Movement

E. Howard Watch Co. (Keystone)

Grade: Series 7

Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 988012
Grade: Series 7
Model: 1908
Estimated Production Year: 1911
Run Quantity: 1,050
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
Barrel: Safety
Hairspring: Breguet
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Research Note: Equipped with Stop-Works

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Data Verification Reports

Verification Serial Map

cjbrem 53 ยท March 14, 2019

Serial Number 988012 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 Movement