The IWC Portugieser ref: IW503302 features a 44mm case crafted from rose gold. This model, introduced in 2015, showcases a silver dial and operates on the IWC caliber 52610 with automatic winding. It includes a perpetual calendar function, displaying the date, month, year, and moonphase. Additionally, the watch is equipped with a power reserve indicator, providing essential information for the wearer.