Perpetual Monthly Calendar – No complication embodies IWC’s unique engineering approach quite like the perpetual calendar. Developed in the 1980s by Kurt Klaus and consisting of less than 100 ingeniously arranged parts, the . Patek Philippe is known for crafting some of the most gorgeous timepieces ever made, and they are synonymous with the perpetual calendar complication. For years, the layout of Patek’s perpetual .
Perpetual Monthly Calendar Free Printable Perpetual Calendar | January: Mayer’s deep understanding of such things—and his connections with serious collectors—make him a valuable bellwether for the watch world, and it led Audemars Piguet earlier this year to name him . Unsurprisingly, given its reputation for firsts, it was Patek Philippe who, in 1925, originally put this function on a wristwatch as part of its perpetual calendar furniture, joining the day, date, .