The IWC Portugieser Perpetual Calendar 44 (IW503302) is a masterpiece of watchmaking. Crafted from 18k red gold, this 44.2mm watch features a silver-colored dial with a perpetual calendar that automatically adjusts for month lengths and leap years. The automatic IWC caliber 52610 provides a 7-day power reserve. The brown alligator leather strap and transparent case back complete the design.

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