Have you heard of the Rolex Yacht-Master II (from £16,950)? Water resistant to 100 metres, the new and improved Yacht-Master II features a clever synchronisation feature with mechanical memory that’s genuinely useful in competitive sailing. Latest Videos From Country Life Watch full video here:Calibre 4162 — Clip - YouTube Watch OnWidely regarded as one of the most technically ambitious Rolex wristwatches, it is not in fact the most complicated (for context: a complicated watch features mechanical functions beyond telling the time. The most complicated watch ever made is the Vacheron Constantin Les Cabinotiers Solaria Ultra Grand Complication — a miniature design marvel that packs an astonishing 41 complications into 1,521 components. (Image credit: Rolex)One thing to keep in mind is that the Yacht-Master II is substantially larger (case: 44 millimetres) than a Submariner (41 millimetres) or Daytona (40 millimetres).