Vacheron Constantin Tour de l'Ile $1.6 million Touted as the world's most complex watch every made, Vacheron Costantin's Tour de l'Ile was designed in 2005 as 250th anniversary collectible piece. This 834-part watch took over 10,000 man-hours to create and features an 18-carat silvered gold dial with a hand-sewn alligator leather band and pink gold buckle. Parmigiani Fleurier Tecnica Skeleton Chronograph $850,000 This watch won't be available until early 2008, but it's worth the wait. Only three will be made. Each will incorporate a platinum case and complications that include a minute repeater, tourbillon and chronograph, as well as a cathedral chime with which you can ring in the New Year. Blancpain Grande Complication $785,000 This winding wristwatch features traditional complications such as minute repeater, split-seconds chronograph, tourbillon, perpetual calendar, moon phase and an automatic winding mechanism. The sleek black crocodile wristband pulls it all together. Girard-Perregaux Opera One $495,000 This platinum timepiece features an alligator band and posseses a "Westminster" minute repeater and tourbillon with three gold bridges, manual winding, 75-hour power reserve and a see-through backing. If $495,000 just barely surpasses your budget, the rose gold version retails for a slightly more affordable $450,000. Breguet Double Tourbillon $329,000 This grand complication, double-tourbillon watch with a 95% pure platinum case is hand-engraved with an image of the solar system. The blued-steel Breguet hands are wound manually. IWC Grande Complication $215,000 With 659 parts and 75 jewels, IWC's Grande Complication is one of the most intricate wristwatches on the market. The calendar and movement showcase are so advanced, you can set your watch to chime every hour, quarter-hour or even every minute. Patek Philippe Celestial Watch $194,200 This white-gold, manual-wound piece displays hours and minutes on solar time, with a sky chart, phases and orbits of the moon. Yes, all that complexity fits neatly on the watch's face.