Rolex Yacht-Master

Did you know there is also a prototype Cosmograph Yacht-Master? Super rare (only 3 made) examples aside, the Yacht-Master has been the only Rolex sports watch available in 3 sizes at once, easily identified by their broad precious metal bezels, the Yacht-Master was also the first modern Rolex to house a serious complication, a programmable mechanical count-down timer in the form of the 116688 Yacht Master II…