Explore our selection of pre-owned Rolex Sky-Dweller models. The 100% Swiss made Oyster Perpetual Sky-Dweller is a distinctive watch, characterized by its second time zone display on an off-centre disc on the dial. Furthermore, its innovative system for setting the functions, using the rotatable Ring Command bezel, is unique to Rolex. The model is a distinctive masterpiece protected by 11 to 14 patents depending on the model and the deep red rectangle in one of 12 windows around the dial indicated the current month, a striking characteristic of the Saros annual calendar. The Sky-Dweller represents sophistication at its highest grade. Shop all pre-owned Rolex models here.