Slide 2 of 20: Price: $3,234,905 In the world of high-end watches, the Swiss watchmaking company Patek Philippe is considered the gold standard. In 2018, its chronograph watch, signed by the watchmaker, with moon phases and a ``perpetual'' calendar, sold at a <PERSON>'s auction for over $3.2 million. Perhaps the reason these watches hold such a high value has to do with the 177 years of expertise behind this family-owned company.