The legendary Patek Philippe reference 1518: perhaps the most significant milestone in modern watchmaking history. One of the nicest examples to appear at auction in recent years, this piece in yellow gold from 1950 is awe-inspiring. It will be offered in #geneva on 13 November with an estimate of CHF 300,000 - 500,000 #sothebyswatches #sothebysgeneva #patekphilippe #patek #vintagepatek #1518 #perpetualcalendar #chronograph