Rolex Submariner Date 16610 X Serial Circa 1991, excellent case that has just returned from being polished, excellent original black tritium dial with very strong and unique patina, the hands are perfectly matching, the newer black bezel insert is also in excellent conditions and shows very light wear, excellent 93150 oyster bracelet with 501B endlinks that shows light stretch, claspcode is X7, no service history, perfect working conditions