IWC's Da Vinci Perpetual Calendar IW3750-07 boasts a stunning White Gold case and a crisp White dial. This revolutionary timepiece made its debut in 1985, shaking up the industry with its innovative perpetual calendar mechanism. The success of this mechanism can be seen in its wide use in other IWC watches such as the Novecento, GST, and Pilot's Chronograph, as well as models from JLC. The Da Vinci Perpetual 3750 comes in a 39 * 14.3mm case with hinged lugs and offers various metal and dial options. It also features a plexiglass or sapphire crystal and can be paired with a bracelet option. Its successor, the