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:
-Series8-12s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 8
Manufacturer: | E. Howard Watch Co. (Keystone) | ![]() |
Manufacturer Location: | Waltham, Massachusetts | ![]() |
Movement Serial Number: | 1066809 | ![]() |
Grade: | Series 8 | ![]() |
Model: | 1908 | ![]() |
Estimated Production Year: | 1911 | ![]() |
Run Quantity: | 400 | ![]() |
Total Production: | 6,400 | ![]() |
Size: | 12s | ![]() |
Jewels: | 21j | ![]() |
Movement Configuration: | Openface | ![]() |
Movement Finish: | Nickel | ![]() |
Movement Setting: | Pendant | ![]() |
Plate: | Bridge Plate | ![]() |
Double Roller: | Yes | ![]() |
Hairspring: | Breguet | ![]() |
Adjusted: | Yes | ![]() |
Adjusted # of Positions: | 5 | ![]() |
Adjusted to Temperature: | Yes | ![]() |
Railroad Grade: | No | ![]() |
Research Note: #1066894: Reported as Stamped "21 Jewels."
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Data Verification Reports
Anonymous · March 8, 2020
Serial Number 1066771 was reported as inaccurate.
Anonymous · January 12, 2019
Serial Number 1066894 was reported as inaccurate.