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The IWC Portugieser Perpetual Calendar represents the pinnacle of horological engineering and timeless elegance. This masterpiece combines a fully mechanical perpetual calendar—accurate until the year 2100—with IWC's signature refined aesthetics.
The IW503701 features a 44.2mm stainless steel case housing an in-house caliber 79610 automatic movement with 60-hour power reserve. The dial displays month, date, day of the week, and moon phase with exceptional clarity, while the sapphire caseback reveals the intricate mechanical artistry within.
Water-resistant to 60 meters, this watch seamlessly transitions from boardroom to special occasions. The leather strap and integrated lugs ensure comfort and sophistication. A true investment piece for collectors who appreciate precision engineering married with Portuguese design heritage.
IWC Portugieser Perpetual Calendar IW503701
$269.00