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.

Hampden Grade No.31 Model 2 18S 11J Full Plate Pocket Watch Movement. White enamel dial with blue steel hands. Plate marked "NIAGARA PARK". Approximate production date 1884

As found condition, ticks a little but sounds strange and seconds hand does not advance, one dial hairline