A moon you can rely on, even under cloudy skies: the perpetual calendar’s high-precision moon phase display needs a one-day adjustment every 577.5 years. The moon phase display on the Portugieser Perpetual Calendar diverges by just 1 day in 577.5 years from the actual phase of the moon. The elegant timepiece leaves virtually no wish unfulfilled. It is equipped with features such as a perpetual calendar, a window showing the year in four digits and a 7-day automatic movement with Pellaton winding. The four sub-dials on the silver-plated dial display the phase of the moon, the date, month and day, the power reserve and the small seconds. This timepiece is powered by an IWC-manufactured movement from the 52000-calibre family, featuring a solid red gold rotor and blued screws. The 18-carat red gold watch has an arched-edge front glass and comes with a dark brown alligator leather strap. – Solid 18kt rose gold case with polished finished bezel & lugs, and fine brushed finished edges. Dial: – Silver main dial. – Matching silver sub-dials with a very fine concentric circle engraved pattern. – Applied rose gold toned Arabic Numeral & Index hour markers. – Fine printed minute track. – Elegant leaf shaped polished rose gold hour & minute hands. Perpetual Calendar with year display: – Day of the week indicated on the outside perimeter of the sub-dial at the 9 o’clock position. – Date indicated on the outside perimeter of the sub-dial at the 3 o’clock position. – Month indicated at the sub-dial at the 6 o’clock position. – Current year displayed in a full 4 digit format with a window between the 7 & 8 o’clock position. Moonphase: – Displayed at sub-dial at the 12 o’clock position. Indicated by a rose gold colored full moon display on a rotating deep blue disc with small gold stars. Power Reserve Indicator: – This watch features an impressive 7-Day Power Reserve, indicated by a hand at the center of date sub-dial at the 3 o’clock position. – Small running seconds hand indicated by a hand at the center of day sub-dial at the 9 o’clock position. – IWC Caliber 52610, beats at 28,800 vph, contains 54 Jewels & has an impressive power reserve of 7 Days (168 hours) hours.
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