Check out the most expensive watches on the market! After some calculations—adding the values and dividing by one million—the index for May of 2015 is 1.81.

Vacheron Constantin Tour de I’lle $2,799,000

Patek Philippe Grand Complications 6002G $1,780,000

Patek Philippe Sky Moon Tourbillon Rose Gold 5002R $1,550,000

Patek Philippe Split Second Chrono $1,473,000

Patek Philippe Sky Moon Tourbillon $1,450,000
Again, the index for May of 2015 is 1.81.