The Rolex GMT Master II Black Dial Batman is built with a Silver-tone stainless steel case and silver-tone stainless steel oyster bracelet. This master-piece contains bi-directional rotating with GMT markings blue and black (Batman) stainless steel and ceramic bezel. Black dial with luminous Mercedes-logo, sword, and Breguet-style shape hands and dot hour markers. Features the Rolex Calibre 3186 automatic movement with a 50-hour power reserve and scratch resistant sapphire crystal. Water resistant at 100 meters / 330 feet.