Wrinkles in TimeFor jet-setters with a penchant for mechanical watches, a world time model epitomizes stylish sophistication. Not only does the wristwatch simultaneously display the time in the 24 time zones established by the 1884 International Meridian Conference in Washington, D.C., it does so in a manner that gives even armchair travelers a distinct thrill: Among the exotic locales featured on the dials of most world timers are the Azores, Moscow, and Nouméa in New Caledonia. Since 1935, when the mechanism at the heart of the world timer was invented by Louis Cottier, a watchmaker in Geneva, the complication has featured prominently in the collections of many prestige brands. Patek Philippe’s World Time watch has long been seen as the standard bearer.Although the cities touted on its dial have changed over time—Algiers, Calcutta, Dakar, Klondike, and Saigon were among the evocat