IWC Portuguese Series, Model: IW344202. Schaffhausen - The Swiss watchmaker IWC Schaffhausen has introduced a new 42mm model in its IWC Portuguese series perpetual calendar watch. The sub-dials at the 3, 6, and 9 o'clock positions display the date, month, and day of the week, respectively. The precise perpetual calendar moon phase display is integrated into the month display dial, utilizing a double-row genuine Dingtian craftsmanship for a closer resemblance to the authentic product. It is powered by the fully automatic 3836 mechanical movement, showcasing the brand's commitment to excellence in fine watchmaking.