LONGINES FLAGSHIP Longines, Flagship, movement No. 10871956, Ref. 503. Made in the early 1960's. Fine, 18K yellow gold wristwatch with center-seconds ,Longines Flagship 304 Yellow gold White 1961 Japan | Dealer | EveryWatch,LONGINES Flagship Ref.3508 18K YELLOW GOLD – TIMEANAGRAM,Vintage Longines Flagship With Date 10k Gold Filled Watch WORKING | eBay