The Rolex Yacht-Master II is a sport watch, a relative newcomer in the Rolex family of watches. The model started as the 11128 in 1992. The Yacht-Master II is a professional Series watch which show elegant sport Nouveau. Now it also have smaller versions of the watch including the Ladies Yacht-Master. it is a necessary watch when sailing. The Yacht-Master II uses the 4160 movement specifically designed for the Yacht-Master II. All Yacht-Master II watches have a case size of 44mm. Yacht-Master 16628, 16622 and 16623 are the most popular editions.