The Pocket Watch Database has compiled data covering the major American pocket watch manufacturers and created an easy way to find information using the serial number on the watch movement. Here are a few tips to find information about your pocket watch:
|Manufacturer:||Keystone Standard Watch Co.|
|Manufacturer Location:||Lancaster, Pennsylvania|
|Movement Serial Number:||102555|
|Estimated Production Year:||1890|
|Standard Dial Type:||Double-Sunk|
|Movement Markings:||Keystone Watch Co.
Pat. Dust Proof.
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 merely estimates, and a margin of error +/- 5 years is expected.