This 44mm Portugieser Perpetual Calendar from IWC Schaffhausen is crafted in 18 ct Armor Gold with a silver plated dial and fitted on a dark brown alligator leather strap by Santoni. This timepiece features small hacking seconds, pellaton automatic winding, power reserve display, 7 days power reserve, perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase, a rotor in 18-carat 5N gold, and double box-glass sapphire crystals, antireflective coating on both sides.