2019 Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic Watch
As a follow up to the Audemars Piguet Royal Oak Perpetual Calendars Black Ceramic that was introduced by Audemars Piguet in 2017, the Le Brassus manufacture this week debuted a new open-worked version, which is otherwise the same as its predecessor. The case The Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic replica watch is presented in a sleek 41 mm x 9.9 mm black ceramic case which features intricate satin-brushing on the entire case and bracelet, with the exception of the beveled edges of the case, bezel, caseback (black titanium), and bracelet, which have been polished. The movement Underneath a sapphire crystal dial is in-house movement caliber 5135, which is a skeletonized version of caliber 5134, that powers the aforementioned Royal Oak Perpetual Calendar Black Ceramic from 2017. The movement is wound by a skeletonized rose gold oscillating weight, beats at a frequency of 2.75Hz, has 374 components, 38 jewels, and a 40-hour power reserve. Th...