Audemars Piguet Royal Oak Perpetual Calendar White Ceramic Perpetual Calendar Blue Dial 41mm Moonphase 26579CB WARRANTY: Under warranty until 2029

WARRANTY: Under warranty until 2029

Introduced as the 5821/1AR model

requiring only one date adjustment per year (on March 1)

black ceramic crown and pushbuttons

Audemars Piguet Royal Oak Perpetual Calendar White Ceramic Perpetual Calendar Blue Dial 41mm Moonphase 26579CB WARRANTY: Under warranty until 2029A true "If You Know, You Know" piece. One of the lightest perpetual calendars on the market, almost so light you'll forget it's there, but every time you look at it you'll remember exactly why you bought this watch. This watch features a 41mm white ceramic case and bezel with an ice blue dial that features the day, date, month, astronomical moon, and week of the year. Completing the look is a full white ceramic bracelet and clasp with an AP folding