One of the most sought after references in the world, the 5712/1A has cemented its place at the highest echelons of the watch collecting world. Sporting the famous blue/grey dial with offset moonphase and power reserve indictators framed within the slim (water-resistant to 60m) 40mm diameter case. Powered by the in-house automatic calibre 240 PS IRM C LU with a mini rotor, it comes presented complete with its original wooden Patek box, UK supplied Certificate of Origin, stylus and booklets.