The Portuguese Perpetual Calendar 44 IW503701 is a perpetual calendar model introduced in 2024, Featuring a 44.4 mm 18K Armor Gold® case, A silver dial, Gold-plated hands and appliques, And a dark brown alligator strap by Santoni. The thinner middle case, The slender shape, And the open dial structure add elegance.
Equipped with the IWC in-house automatic caliber 52616, It offers a power reserve of 168 hours (7 days) and perfectly implements all the functions of the perpetual calendar, Including date, Day, Month, Four-digit year, And double moon phase. The moon phase is so precise that it only has a one-day error every 577.5 years, And it is equipped with high-end specifications such as water resistance to 50 metres, Double box-glass sapphire crystal, And see-through back. The Portuguese Perpetual Calendar 44 IW503701 is a model recommended to those who want to experience IWC’s cutting-edge technology and artistic perfection.
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