IWC and its watchmakers are responsible for some of the biggest inventions in watchmaking in the newer timeline. Today we are offering you the state of the art IWC, the IWC Grande Complication The watch is in a generally very good condition, showing light signs of use on the Platinum Case It comes with its original IWC buckle, made from Platinum and box and papers. Brand: IWC Model: Grande Complication Reference: 3770 Serial: 25520XX Year: 1991 Movement Type: Automatic Crystal: Sapphire Complications: Hour, Minute, Moonphase, Date, Perpetual Calendar, Chronograph Waterproof: Yes (not guaranteed) Material-Case: Platinum Material-Bracelet/Strap: Alligator with IWC Platinum Buckle Diameter: 42.5mm Box: Yes Papers: Yes We are selling on behalf of our customer.