15. Patek Philippe 1953 Heures Universelles Ref. 2523
The name of Patek Philippe is probably familiar to you if you like fine watches and jewelry. The company is 160 years old and a living proof that watchmaking isn’t just a science, but it is also art.,This watch with a 18 karat gold case, polychrome and enamel dial, featuring a diagram of North America and plenty of time zones was auctioned for $2.9 million.