VINTAGE HAMILTON POCKET WATCH MOVEMENT, GRADE 992B, WITH 21 JEWELS. MARKED HAMILTON WATCH CO. U.S.A. AND ADJUSTED TO TEMPERATURE AND 6 POSITIONS. MOVEMENT SERIAL NUMBER C403305. 

RAILROAD GRADE MODEL, THE DIAL LOOKS GREAT TO THE NAKED EYE BUT IT DOES HAVE A TIGHT HAIR-LINE ON THE CENTER SUNK DIAL PORTION, THE MOVEMENT IS RUNNING BUT IT WAS N OT SERVICED AND MAY NEED A CLEANING.