Crafted in hand-finished white ceramic, this Royal Oak Perpetual Calendar features day, date, month, astronomical moon, and week of the year. The leap year indication — pioneered by Audemars Piguet in 1955 — is also featured on the “Grande Tapisserie” decorated dial. White ceramic case, glareproofed sapphire crystal and caseback, screw-locked crown. Blue dial with “Grande Tapisserie” pattern, silver-toned counters, white gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel. White ceramic bracelet with AP folding clasp in blackened polished steel.