The digital perpetual calendar is one of IWC’s most outstanding technological advances. With the new Portugieser Perpetual Calendar Digital Date-Month Edition “75th Anniversary”, the Portugieser watch family now includes a model featuring a digital display for the date and month. This exclusive piece packs a wealth of IWC watchmaking expertise into its 45 mm case. This particular model is a Limited edition to 25 pieces. Made in an all platinum case with a sapphiore crystal glass exhibition case back. It is held on a specially made black Santoni alligator strap with matching Platinum folding clasp. Fitted the IWC-manufactured 89801 calibre mechanical self-winding movement with perpetual calendar, digital large date display, leap year display, chronograph with flyback function. Every night, when the date display moves forward, the switch siphons off a little of the energy, stores it and then discharges it precisely at the end of the month or year when, in addition to the date and month disc, the leap year disc also needs to be advanced. The perpetual calendar can be set easily using the crown and will not require correction until 2100. The dial is silver plated with applied numerals and chapter ring and is finshed off with a sapphire crystal glass.
Limited edition. IWC Portugieser Perpetual Calendar Digital Date-Month Edition watch, all platinum case, held on a genuine black alligator strap with platinum folding clasp, mechanical self-winding movement with perpetual calendar and flyback chronograph functions, silver dial with applied numerals and a sapphire crsytal glass.
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Silver With Applied Numerals