15. IWC Grande Compilation
Purchase price of watch: $116,000
This Grande Compilation wristwatch has a host of features, which include the watch exhibiting the phases of the moon, a leap year indicator and a perpetual calendar. Of course, the reason behind the exorbitant price is that the watch is made entirely out of platinum while also being encrusted with an astounding 65 jewels. For more information regarding the watch, you can access this page.