Pocket Watch Database

Reference Library

Keystone Watch Case Co. Case Trademark


Keystone Watch Case [Keystone Logo] [Scales] J Boss 10K Gold Filled (Keystone Watch Case Co.)

Trademark Manufacturer:

Keystone Watch Case Co.

Manufacturer Years Active:

1880 - 1956

Trademark Markings:

Keystone
Watch Case
[Keystone Logo]
[Scales]
J Boss
10K
Gold Filled

Traits:

Gold-Filled

10K Gold-Filled

Other Keystone Watch Case Co. Trademarks