NOTE:  I am a watch enthusiast, but not an expert by any means.  I am happy to answer any and all questions, and am describing the watch movement as well as I can.

WALTHAM  Grade No.365 Model 1907 3/0S 15J Small Pocket Watch Movement w/gold frosted dial and blue steel hands. Approximate production date 1917.

As found condition, balance wheel floppy, missing a hand, worn dial