Revolution
500 Years On The Wrist: The IWC Perpetual Calendar Edition Kurt Klaus
In 1985, IWC’s Kurt Klaus presented his latest invention at BaselWorld: The IWC “Da Vinci” Perpetual Calendar Chronograph, which went on to become one of the most justly famed perpetual calendars of all time. The Da Vinci Perpetual Chronograph included the world’s first perpetual calendar mechanism in which all indications could be adjusted without recourse […]