Up Close: Audemars Piguet Royal Oak Perpetual Calendar Openworked in Black Ceramic
The last time Audemars Piguet had a skeletonised Royal Oak perpetual calendar in the catalogue, it was 2015. The skeleton perpetual is familiar enough that it doesn’t seem to have been missing for that long, but it’s been a half-decade. In the mean time, Audemars Piguet (AP) unveiled the next generation of Royal Oak Perpetual Calendar, with the case widened to 41mm, and then introduced it in black ceramic, and only just, in white ceramic. And it took some time to develop the thinnest automatic perpetual calendar ever. But now the Royal Oak Perpetual Calendar Openworked is back, in proper, fine form. Putting a skeleton movement inside the bestselling Royal Oak in black ceramic is obvious, and could have been done in the easiest way possible. But AP went one better; it developed a new calibre, the 5135, that is not merely open-worked, but also redesigned for maximum aesthetic effect. “This is the first time in many years that AP has introduced an openworked perpetual calendar wristwatch,” says Michael Friedman, the head of complications at AP, “The effort here was to create an experience of contrast and play of light.” I’d say AP succeeded. The watch pictured is a travelling prototype, so pardon the cleanliness of the movement Ceramic and the Royal Oak But first, a small, modestly technical digression on the material and the watch. The case and bracelet are made of black ceramic, specifically zirconium oxide stabilised with yttrium oxide – essential for...
Time+Tide
