The beauty of Patek Philippe in-house art here is the Amazing Luxury Patek Philippe 5304R Grand Complications Skeleton made in rose gold and handmade 42mm ingraved case sides, minutes repeater cathedral gongs, day, date, month, perpetual calendar with leap-year and moonphase for arabic calendar, self winding movement up to 72h power reserve. a truly piece of art and good investment for long tearm