Pocket Watch Database
Access Date: October 23, 2021
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 6
|Manufacturer:||E. Howard Watch Co. (Keystone)|
|Manufacturer Location:||Waltham, Massachusetts|
|Movement Serial Number:||1304573|
|Estimated Production Year:||1916|
|Adjusted # of Positions:||5|
|Adjusted to Temperature:||Yes|
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Data Verification Reports
Anonymous · March 3, 2019
Serial Number 1304268 was reported as inaccurate.
WLBelkriver33 804 · January 13, 2019
Serial Number 1308071 was reported as accurate.