The Rolex Oyster Perpetual Sky-Dweller is an excellent timepiece for the fashion-conscious 21st century man. This timepiece is highly durable, seeing as its Rolesor case is comprised of a combination of 18K white gold and steel. The fluted bezel is made of 18K white gold which perfectly compliments the white dial. For maximum visibility the dial boasts a cyclops lens over the date and double anti-reflective coating, with index hour markers, second time-zone displayed via off-center rotating disc, Saros annual calendar with date at 3 o'clock and month indicated in apertures at each of the 12 hour marks. Lastly, this exceptional timepiece securely fastens to the wrist with a hearty stainless steel Oyster bracelet with Oysterclasp buckle. Water resistant to 100 meters/330 feet.