The perpetual calendar is one of the most rare and desirable complications to have in a watch, and few can claim mastery over this complication as Patek Philippe can. After all, Patek Philippe did introduce the world’s first perpetual calendar wristwatch way back in 1925. And if that weren’t enough, they even invented the annual calendar just 20 years ago – but we digress. The complication we are interested in today is the perpetual calendar, and for 2016 we see the Patek Philippe Perpetual Calendar 5496P-015 in platinum.
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https://www.ablogtowatch.com/patek-philippe-perpetual-calendar-5496p-015-platinum-watch/
