A watch on your wrist not just tells time, it also shows-off, how wealthy you are!! Forbes is running an article on the world’s most expensive watches for 2005. And, This Vacheron Constantin watch tops the most expensive watches list. The Swiss Tour de l’Ile Vacheron Constantin was taken out this year to mark the 250th anniversary of the watch company. The watch took seven long years in development and three years for assembly. The world’s busiest timepiece, yet, has 834 separate parts and 16 complications, including tourbillon power reserve, striking-mechanism torque, perpetual calendar, moon phase, sunrise time, sunset time, sky chart, leap-year indicator and many other functions. The watch adorns a price tag of $1.5 million.