The Da Vinci Perpetual Calendar IW3755-06 is a stunning timepiece with a unique mix of white ceramic and yellow gold, complemented by a silver dial. This model first made waves in 1985 when IWC unveiled their revolutionary perpetual calendar mechanism in the Da Vinci 3570 reference. The mechanism was a hit, making its way into other IWC watches like the Novecento, GST, and Pilot's Chronograph, as well as models from JLC. It even served as the foundation for the Grande Complication and the impressive Destriero Scafusia. The Da Vinci Perpetual 3750 comes in a 39 * 14.3mm case with hinged lugs and was