The Portugieser Grande Complication Platinum watch boasts a sleek platinum case and a silver dial. It runs on a 79091 calibre and offers a range of impressive complications, such as a perpetual calendar, moon phase display, chronograph, and minute repeater. With a 44 hour power reserve, this watch is a true powerhouse. The new model, the IW377401, has a notable change from its predecessor - the engraving of the globe showcasing longitude and latitude is no longer present. Overall, the Portugieser Grande Complication Platinum is a sophisticated timepiece with advanced features.