Four years ago, on the occasion of its 30th anniversary, the entire Nautilus collection was subtly refined and scaled up with new models. Special acclaim was garnered by the Nautilus Chronograph with a sporty complication to enhance its intrinsic casual elegance. Within the scope of its chronograph premières at Baselworld 2010, Patek Philippe is now launching two further Nautilus chronograph models that with their differentiated personalities will appeal to an even broader audience.