American Waltam WW11 Pocket watch circ 1943

Authentic American WW11 Waltham 9 jewel pocket watch "still ticking".but has lost its loop or bow as the trade tells me.Little about pocket watch!inside back plate STAR WATCH CASE CO. base metal. 5302878.on the outside iss 8078 with military mark. Within watch movement iss 31600970. 9JEW.WALTHAM 16S U.S.A. With additional marking of 9Jew Waltham 16S U.S.A. also Temp ajust with 3 pos.Thankyou."Piccie of back plate added 10th March