There are few designs as clean and as prestigious as Audemars Piguet's Royal Oak Perpetual Calendar. A hybrid of the Swiss watchmaker's two showpieces - the Royal Oak and the Perpetual Calendar - the watch in question today was confirmed into the modern era in both steel and gold. Now, however, we have a gorgeous white ceramic addition to the already spicy lineup.

Following AP's first full ceramic black watch in 2017, the Royal Oak Perpetual Calendar in white ceramic, in our opinion, is possibly the hottest offering in the collection so far.

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The complex surfaces of the Royal Oak's detailed design make a ceramic edition particularly harder to achieve, the finishing of the bracelet alone, for example, requiring 30 hours of labour - five times longer than the steel version.

In keeping with the RO tradition, the timepiece features polished bevels on the sides and brushed surfaces for the flat parts of the case and bracelet. To complement the white casing, a moon-phase indication is displayed on a gorgeous blue “Grande Tapisserie” face with silver-coloured subdials. Wearers are also privy to the date, day, month, week number, leap year and moon phase.

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Audemars Piguet's signature ultra-thin automatic Calibre 5134 returns for the 2019 white ceramic which was based on the iconic Calibre 2120 (found in the original 1972 Royal Oak, once manufactured by LeCoultre, now produced in-house), according to monochromewatches.com.

The Audemars Piguet Royal Oak Perpetual Calendar White Ceramic REF 26579CB.OO.1225CB.01 will be priced at CHF 94,300 (AU$140,000).

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