Rolex Explorer II 1655 Circa 1974 (3.900XXX Serial), excellent case that appears to be unpolished and shows light wear from use, excellent newer service luminova dial with matching hands, excellent newer steel bezel that shows light wear, excellent newer 78360 oyster bracelet with 580 endlinks that shows very light stretch, claspcode is DE9, the crystal has light wear on the surface, serial and ref numbers between the lugs are crips and well defined, caseback is stamped 1655, the watch has just been serviced by our watchmaker, excellent overall conditions