One of the most iconic, and sought after watches in the world... The classic Royal Oak has gone from strength to strength since it first launched in 1972, setting the template for Patek's Nautilus. This 41mm example is in superb condition, comes complete with its original AP box and certificate and sports the cool silver grande tappisserie dial. Now discontinued, the 15400ST is waterproof to 50m, houses AP's own 3120 calibre automatic movement and is fitted to the best bracelet in the business.