Luxury and Independent Watch brands
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koimaster (Online)
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Post by koimaster » November 30th 2020, 11:25pm

The Patek Philippe Perpetual Calendar Chronograph was somewhat of a radical concept when it was first released, something that had only been produced before in small quantities, in pocket watch form, given the high level of complexity behind the movement. The combination of perpetual calendar and chronograph was one that had never been seen before, many of which today are considered extremely rare, easily fetching upwards of 7-figures in auction.

The origins of the Patek Philippe Perpetual Calendar Chronograph go back to WWII, in 1941, when Patek Philippe unveiled the ref. 1518, the world’s first mass produced perpetual calendar chronograph, at what was then called ‘Swiss Watch Fair Basel’. The first Patek perpetual calendar wristwatch was produced in 1925 and the history of perpetual calendar pocket watches goes back much further, but the combination of that with a chronograph was unheard of in terms of serial wristwatch production. The watch would go through many recognizable iterations, with many notable models, but the first, the reference 1518, is very important to watchmaking history for a couple reasons.


First, comes the design of the 1518. A few aspects have endured above all on the dial of a Patek Perpetual Calendar Chronograph: the Arabic numerals, their style and placement around the dial, the day-month display or apertures at 12 o’clock, and the placement of the moonphase at 6 o’clock – creating a beautiful symmetry on the dial of the watch. A symmetry that has endured. ... patek-1518


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