Rolex oyster perpetual is a mechanical watch, which can also be wound manually. The kinetic energy of movement can reach 7 hours. Rolex's exclusive masterpiece must be oyster-style constant motion, which is Rolex's patented technology.
Rolex is a famous Swiss watch manufacturer, formerly known as Wilsdorfanddavis (W&: D) Company, which was jointly operated in London in 195 by HansWilsdof, a German, and AlfredDavis, an Englishman.