Vintage Phinney Walker clock works is marked: Phinney Walker Co Inc New York - Chicago USA

Measures 2.75" in diameter.  Black face.

Brass movement appears to be an 8-day from a rimwind case.

Winds and runs.  No hand set mechanism.  Must be part of the case.

See the photos.  What you see is what you will receive.  Selling as is.

Thanks for looking.