The IWC Portugieser ref: IW503702 features a 44mm case crafted from rose gold. This model, released in 2024, is powered by the IWC caliber 52616 with automatic winding. It includes a perpetual calendar function, displaying the date, month, year, and moonphase. Additionally, a power reserve indicator is present on the dial, which is finished in black. This watch combines sophisticated complications with a classic aesthetic, making it a noteworthy addition to any collection.