Rolex watches are the most recognized watch worldwide and are by far the most synonymous with perfection and elegance in the world of timepieces. This prestigious brand was first established in 1908 by Hans Wilsdorf and Alfred Davis, and the name Rolex was applied in 1915. Rolex has been the leader of innovation in timekeeping. Rolex was the first brand to invent the waterproof watch case, the first to invent a date feature on the dial, the first to invent a dual timezone (GMT) timepiece, and the first to achieve the coveted COSC chronometer certification. Rolex offers a multitude of exquisite lines, including the Rolex Daytona, DateJust, Yacht-master, Deepsea, Sea Dweller, Submariner, GMT-Master II, Explorer II, Explorer, Milgauss, Day-date II, Day-Date, Air-King, Perpetual, Date Watch, Lady-Perpetual, Lady-DateJust, Pearlmaster, and Cosmograph.