Patek Philippe Sky Moon Tourbillon 5002 P
This watch has the distinction of being the most expensive one on this list. It has 686 mechanical parts, a 55 jewel movement, a 48-hour power reserve, and it also comes with a black crocodile leather band. The only downside to this watch is that it's not water resistant.The price of this watch: $1.5 million.
Audemars Piguet Royal Oak Complication
This watch is self-winding and has a 54 jewel movement. It also features one stellar perpetual calender that includes everything, from the days of the week to leap years. Its other features include an 18-carat white gold case and a transparent sapphire caseback bracelet.The price for this watch $655,000.
A Lange & Sohne Tourbograph
This watch has even more mechanical parts than the IWC Grand Complication Perpetual listed below. The A Lange & Sohne Tourbograph has 1,097 moving parts, as well as a 41 jewel movement. It's made of platinum and gold and features an exhibition back and crocodile band.The price for this watch: $580,000.
Girard Perregaux Opera Three Musical Hours Watch
This watch is one of a kind, to say the least. It actually can function as a mini jewelry box, which no other watch on this list can claim. It's made out of 18k white gold and features an alligator strap, in addition to being self-winding and water resistant up to 50 meters. Also, it has a 50-hour power reserve.The price for this watch: $420,000.