IWC | Portugieser Ewiger Kalender White Gold | Ref. IW502218 - Full Set - NOS - Service 2025

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The perfectly polished and imposing 44 mm diameter case is made from fine 18 carat white gold, giving it a luxurious shine. The classic Portugieser shape is emphasized by slim bezels and elegant lugs. The exquisite manufacture movement can be viewed and admired. The sapphire crystal back makes this possible. Despite the wealth of information it displays, the silver-plated dial is a prime example of clarity and balance. The applied Arabic numerals and the slender white gold leaf hands ensure excellent legibility. At the center of this watch is a sophisticated perpetual calendar. This calendar requires no correction until the year 2499.

It indicates precisely:

Date: At the 3 o'clock position on the sub-dial.

Day of the week: On the display at 9 o'clock.

The month can be found on the sub-dial at 6 o'clock.

A striking and typical attribute of the IWC Perpetual Calendar: the four-digit year, ideally positioned at 7 and 8 o'clock.

In addition to the calendar function, the watch features a moon phase display at 12 o'clock, which only deviates by one day in 577.5 years. The power reserve indicator is elegantly integrated into the sub-dial for the date at 3 o'clock.

The automatic IWC-manufactured caliber 51610 movement inside beats and offers an impressive power reserve of up to seven days (168 hours) thanks to the Pellaton winding system. Côtes de Genève and perlage finish the movement beautifully.

The luxurious appearance is complemented by a high-quality alligator leather strap in black, which has a folding clasp in white gold for a comfortable fit.

IW503406 may be elegant, but it is also a complex masterpiece of watchmaking. This watch is elegant and yet highly complex. IW502218 is more than just a watch - it is a legacy of watchmaking excellence, a symbol of precision and timeless beauty that will be cherished for generations.

For more information, see Technical Details.