IWC Portugieser Collection, Model: IW344202. Schaffhausen - The renowned Swiss watchmaker IWC Schaffhausen introduces a new 42mm model in its IWC Portugieser Perpetual Calendar collection. Small sub-dials at 3, 6, and 9 o'clock display the date, month, and day of the week, respectively. The precise perpetual calendar moon phase display is integrated into the month display dial, using genuine craftsmanship to enhance the overall effect, making it closer to the authentic product. It is powered by the fully automatic 3836 mechanical movement, a testament to outstanding craftsmanship and continuous excellence.