WALTHAM SCREW CASED POCKET WATCH SPARES/REPAIR

Hi there You are looking at a Waltham gold filled pocket watch don't think it is jeweled ,was working up to a month ago but now no tick or finger movement,watch is 55mm in diameter,actual workings are 42 mm in diameter,20mm in depth,both front & back covers screw off,inside back cover is inscribed Empress A.W.C.Co,No 1573469,two slight dings in rear cover,faint hair line crack in dial around 8/9,watch body as No 7349,workings No is 20521944, watch time can be altered,but it seems fully wound,I aint smart enough to meddle with this watch workings so I hope someone can repair,the watch is very clean & tidy in appearance,thanks for looking