Audemars Piguet Collection

The Manufacture’s patented double balance wheel mechanism is clad in black ceramics and revealed on both sides of the watch through the openworked slate grey dial. Black ceramic case, glareproofed sapphire crystal and caseback, screw-locked crown. Openworked slate grey dial, pink gold applied hour-markers and Royal Oak hands with luminescent coating.Black ceramic bracelet with AP folding clasp.

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.

A feat of technical mastery, the Royal Oak Perpetual Calendar Openworked dresses the artistic openworked sapphire dial and the movement’s visible pink gold components in black ceramics. Black ceramic case, glareproofed sapphire crystal and black ceramic caseback, screw-locked crown. Sapphire dial, smoked external zone of the counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel. Black ceramic bracelet with titanium AP folding clasp.

Royal Oak Perpetual Calendar 41mm Black Ceramic41 mm case size, Black ceramic case, glare-proofed sapphire crystal, and case back. Case thickness 9.5mm, Slate grey dial with “Grande Tapisserie” pattern, black counters, white gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel, Case thickness; 9.5 mm, Dial; Slate grey dial with “Grande Tapisserie” pattern, black counters, white gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel. Black ceramic bracelet with titanium AP folding clasp. Water-resistance 20 m, Total diameter 29 mm (12¾ Lignes), Frequency of wheel balance 2.75 Hz (19,800 vph) Number of jewels; 38, Manufacture Calibre 5134, Mobile stud-holder. Power reserve; 40 hours, Balance-spring type; Balance with variable inertia blocks, Number of parts; 374, Function; Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours, and minutes. The oscillating weight is guided by a peripheral ring rolling on four ruby runners, which reduces friction and wear to the minimum possible. Moon phase indicator, laser micro-structured, laid on aventurine. Moon phase astronomical indicator requiring correction every 122 years and 108.