Vacheron Constantin Patrimony Traditionnelle Calibre 2253 with perpetual calendar and equation of time that indicates the difference between real solar time and average solar time. It is a 457-part movement with 30 jewels and 14 days of power reserve. www.vacheron-constantin.com.Ok, well it may be difficult to say the rarest metal on earth is a trend – but let’s face it, some of the finest watchmakers in the world know how to use platinum to its best advantage when it comes to creating a watch case. Thanks to the Platinum Guild, which recently released its report: Time Machine, Platinum Watches 2010-2011—we are privy to nearly two dozen of the top watch brands that really know how to use platinum for their luxury watch cases and do it in style. Sorry I can’t show them all, but for more information, you can visit http://www.preciousplatinum.com/.
Breguet Tradition. Reveals the movement, with tourbillon regulator and silicon balance spring, powered by constant force torque using a chain transmission. The time is displayed on a small guilloche dial. www.breguet.com.Blancpain Villeret Ref .6639-3431-55. Day, date, month, moon-phase automatic with 8 days power reserve. www.blancpain.com.Meanwhile, there are a few things I would like to share with you about platinum before I tell you about these special timepieces. To begin with, not only is this metal 30 times rarer than gold, but also it is much harder, less easily scratched, and much more difficult to work with. It is 95 percent pure, 
Cartier Rotonde Grande Complication in a limited edition of 30 pieces, offers perpetual calendar and chronograph, as well as tourbillon escapement. www.cartier.com.heavier than gold and considered the ultimate metal for a complicated watch. Herein lay just a handful of platinum watch beauties.
Patek Philippe Ref. 5951P features a coussin case that was popular during the art deco period. The watch houses a 400-part movement and is the slimmest movement with monopusher chronograph and perpetual calendar. www.patek.com.
Ulysse Nardin El Toro COSC-certified chronometer, perpetual calendar with second time zone created in a limited edition of 500 pieces. It features the brand’s patented forwards/backwards rapid adjustment system. www.ulysse-nardin.com.
