The beautiful Rolex 116503MDO watch features a stainless steel 40mm case, with a fixed 18kt yellow gold showing tachymeter markings bezel, and a mother of pearl dial covered by a scratch resistant sapphire crystal. The stylish wristwatch is equipped with an exclusive stainless steel and 18kt yellow gold rolex oyster which combines comfort and sturdiness. This horological trendy device has chronograph, hour, minute, second, chronometer, tachymeter functions. At the heart of this timepiece is Rolex Calibre 4130. The Automatic movement operates at 28800 A/h and keeps the hands revolving smoothly and accurately for precise, reliable timekeeping. It contains 44 Jewels, and picks up all the advantages of this high-performance âengineâ, including a 72-hour power reserve. This magnificent watch has a water resistance of up to 330 feet/100 meters, suitable for recreational surfing, swimming, snorkeling, sailing and water sports. This elegant Swiss-made masterpiece is sure to complete any man's collection.