New authentic Rolex Sky-Dweller. White Rolesor (Oystersteel & white gold) polished case. Brushed and polished stainless steel Oysterclasp bracelet band. Bidirectional Rotatable Rolex Ring Command bezel fluted design. Black dial features luminous silver hands, index hour markers, off-center 24-hour GMT sub-dial. Automatic - Chronometer movement with screw-in crown, date at 3 o'clock, powered by Calibre 9001 engine including 72 hours power reserve. Sapphire crystal scratch resistant glass. Round case shape size 42mm solid case back. Water resistant to 100 meters / 330 feet. Equipped with Date and Power Reserve functions along with standard hour, minute, second display and GMT capability.