Description 2014 Case: stainless steel tonneau-shaped, 44 mm diameter Bracelet: Oyster stainless steel Dial: white with luminous square numerals and luminous hands Functions: chronograph and Retrograde Countdown Timer Reference number: 116680 Serial number: GD 370014 Movement number: 96U6E515 Caliber: 4161, automatic Accessories: presentation box, outer packaging, product literature and guarantee card Gross weight approx. 176.3 g Movement not tested Note: The Rolex Yacht-Master history begins in 1992, where the first Yacht-Master was introduced. Designed for the nautical sportsman, the Yacht-Master reflected the Rolex Submariner but was truly a different breed. It would take another 15 years for Rolex to introduce a long-awaited successor. The successor was, indeed, designed specifically with the professional sailor in mind. To provide synchronisation at the starting sequence of a yacht race, this so-called 'Regatta' chronograph features the first ever programmable countdown with a mechanical me