The Portuguese Perpetual Calendar IW502122 is a perpetual calendar model with an 18K rose gold case released in 2010. It features a 44.2mm case, A thickness of 15.5mm, A black dial, And a brown alligator leather strap. The Arabic numerals, Leaf-style hands, And small seconds at 9 o’clock faithfully follow the classic Portuguese design.
Equipped with the IWC in-house automatic caliber 51614, It offers a complete perpetual calendar with date, Day, Month, Four-digit year, And moon phases for the northern and southern hemisphere. In particular, It features the mechanically programmable perpetual calendar system developed by Kurt Klaus, Allowing all calendar functions to be easily adjusted with just one crown. It also comes with high-end features such as water resistance to 30 metres, Sapphire crystal, And a transparent case back. The Portuguese Perpetual Calendar IW502122 is the historical starting point of IWC’s perpetual calendar and a model that demonstrates technical perfection. It is recommended for those who want to experience the essence of classic watchmaking.
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