Awesome and rare Rolex Daytona early Ref.6239, serial 923.xxx year 1963. Double SWISS underline original black dial with original luminos material. Original s/s bezel 275, the watch is powered by a Val.72 manual winding movement with a double cosc written bridge. The watch is in overall mint condition, untouched, unpolished. Fitted by the original reveted s/s 7205 bracelet with the correct end links 60, clasp 64.