The IWC Portugieser ref: IW503701 features a 44mm case crafted from rose gold. It is powered by the IWC caliber 52616, an automatic winding movement. The watch displays a white dial with a perpetual calendar function, showcasing the date, month, year, and moonphase. Additionally, it includes a power reserve indicator, providing essential information for the wearer. This model is set to be released in 2024, making it a noteworthy addition to any collection.