Pocket Watch Database
Keystone Standard Watch Co.
Grade: Dust Proof
|Manufacturer:||Keystone Standard Watch Co.|
|Manufacturer Location:||Lancaster, Pennsylvania|
|Movement Serial Number:||314087|
|Estimated Production Year:||1890|
|Movement Inlay Color:||Black|
|Standard Dial Type:||Single-Sunk|
|Movement Markings:||PAT REG
PAT. DUST PROOF
PAT. S. W.
Keystone Watch Co.
NOTE: This information was provided by a user and has not been verified for accuracy.
Please note that many times, movements were not finished in sequential order. As a result, the production years provided are estimates, and a margin of error +/- 5 years is expected.