IWC Portugieser Grande Complication Silver-Plated Dial Platinum IW377601

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  • Regular price €190,000.00
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The Portugieser Grande Complication brings together many of watchmaking’s most significant achievements. One of these is the perpetual calendar, which is mechanically programmed until 2499 and requires just three adjustments in what would normally be leap years (2100, 2200 and 2300) but are not. Further complications include the perpetual moon phase display, chronograph and minute repeater. When activated by the repeating slide, the latter chimes out the precise time in harmonious tones. A total of 20 functions are made possible by the interplay of 659 individual mechanical parts. Despite its complex construction and numerous controls, the case is water-resistant to 3 bar. For the exclusive platinum model, available in a limited edition of 250 watches, the black alligator leather strap from Santoni is stitched with a platinum thread. The engraving on the back of the case takes the form of a compass rose.


Only the most complex timepieces are given the honour of carrying the name “Grande Complication”. The precise interplay of 659 individual mechanical parts and years of experience in the art of watchmaking make it possible to fit so many different complications in such a small space. Apart from the chronograph functions, a perpetual calendar with displays for the date, day, month, year, decade and century as well as a perpetual moon phase, mechanically programmed until 2499, are included. Rounding it off is the supreme achievement in the art of mechanical watchmaking: the minute repeater.


Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase.


SERIES: Grande Complication

MODEL: IW377601

MOVEMENT: Automatic, self-winding

DIAL: Silver-plated dial

STRAP: Black alligator leather strap by Santoni. Strap width 22 mm

WATER RESISTANT: 30 meters / 100 feet


HEIGHT: 16.5 mm

CALENDAR: Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase.

Orders that qualify for free shipping promotions will be shipped at no cost to you. You receive free shipping if you order this watch. Delivery time can range from 1 to 3 weeks, sometimes few days. You will receive detailed shipment information when your order is shipped. Please let us know if you have any special requirements or questions.