Audemars Piguet

An extremely rare, almost impossible to find and unquestionably charismatic platinum and mother-of-pearl perpetual calendar wristwatch of the famous Swiss watch brand Audemars Piguet, founded in 1875. Estimated production period: early 2000s. Case in platinum 950, diameter 39mm, 8.25mm thick, sapphire caseback with “Audemars Piguet Swiss Madec” and “Quantième Perpétuel Automatique” inscriptions, case number and watch number in series engraved on rim; signed platinum crown. Light-blue mother-of-pearl ‘new logo’ (Mk2) dial, recessed calendar counters, Royal Oak Perpetual Calendar early stick white gold hour and minute hands, ‘sticks and pearls’ white gold appliques. Caliber 2120/2802, ultra-thin, self-winding, rotor with an inertial segment in 21k yellow gold, power reserve of up to 40 hours. Functions – indication of time in hours and minutes, perpetual calendar with indicators of date at 3 o’clock, day of the week at 9 o’clock, month and leap year at 12 o’clock, and moon phase at 6 o’clock. Royal Oak platinum 950 bracelet, Audemars Piguet ‘AP’ platinum double folding clasp. 

The Audemars Piguet Royal Oak Perpetual Calendar Ref. 25820PT ‘Platinum and Mother-of-Pearl’ would be an excellent purchase for the collector who desires an utterly rare, almost impossible to find and charismatic platinum and mother-of-pearl perpetual calendar wristwatch from a world-renowned traditional watch brand, one of the undisputed leaders in the haute horlogerie watch market. Ref. 25820 is a classic collector’s item that communicates a certain era in the development of the Royal Oak collection – from 1998 to 2015, when the dials featured a classic leap year indicator, mostly absent in previous references, and before the later number-of-the-week pointer had shown up. Therefore, rare versions and varieties seem to be the most relevant, and deserve the closest attention. 

We are proud to bring to your attention this example, which is one of the rarest Royal Oak Perpetual Calendars ever made. Other execution features, both rare and typical for this reference, undoubtedly increase the attractiveness of the present lot. Its nice double-zero number seems to be the icing on the cake.