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 made in 18ct red gold with a sapphire crystal glass exhibition case back and Limited edition to 250 pieces engraving. It is held on a specially made blue Santoni alligator strap with matching 18ct red gold 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 blue 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 18ct red gold case, held on a genuine blue alligator strap with platinum folding clasp, mechanical self-winding movement with perpetual calendar and flyback chronograph functions, blue dial with applied numerals and a sapphire crsytal glass.
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18ct Red Gold
Blue with Applied Gold Arabic Numerals