Portuguese series double chase chronograph Swiss watchmaker Schaffhausen IWC has launched three limited edition Portuguese double-chaser chronographs for the three cities of Milan, Paris and Munich. Following its first appearance in 1995, the IWC Portugal Series double-ended needles Chronograph interpretation of the legendary tabulation again. The highlight of the three extraordinary timepieces is the addition of a third button to activate and deactivate the needles, so in addition to the traditional timing functions, it is possible to measure two different ephemeral periods simultaneously to the nearest second. In 1995, IWC launched the first Portuguese series double-chaser timing watch (model: 3712), clever fusion of the Portuguese series of elegant design and sporty dual timing function, measuring two short sessions at the same time, avant-garde innovation Made for Georges Kern, chief executive of IWC IWC, said: "The Portuguese Double Chisel Chronograph is not only an example of the superb mechanical craftsmanship of IWC, but also an iconic piece of fashion for the fashionista." With this feature The first watch was released in 2006 and is now back again. In 2016, IWC worked hard to create three special limited edition timepieces to re-interpret this classic collection while paying tribute to the boutique's boutique set up in three European cities. The three special limited edition of the special is that each table are engraved with extraordinary significance patterns. Milan store special edition table engraved with a unique limited edition number "Biscione" grass snake pattern, which is not only a Visconti family logo, but also a symbol of the city of Milan logo; Paris store special edition watch engraved at the bottom of the Avenue de la République (Rue de la Paix) and the Latin motto "FLVctvat Nec Mergitvr" highlighting the cultural spirit of the city of Paris; the special edition of the Munich boutique is engraved with the icon of the Church of Our Lady of Munich in Munich, It is one of the city's important landmarks. This article is reproduced, does not represent the world position of million table.