This selfwinding Audemars Piguet Royal Oak Perpetual Calendar features an octagonal 18 carat pink gold case with both brushed and polished finishes and measures 41mm in diameter with a thickness of 9.5mm. Contrasting beautifully against the pink gold case is the Night Blue, Cloud 50 coloured dial in the “Grand Tapisserie” pattern, which features dark blue subsidiary dials showing an astronomical moon and the essential leap year. Further enhancing the dial, are the pink gold applied hour markers and luminescent coated Royal Oak hands. The 26574OR.OO.1220OR.03 is complemented by an 18 carat pink gold bracelet and secured with an AP folding clasp.

The dial is protected by a glare proofed sapphire crystal and a transparent case back with a screw locked crown. Powered by the selfwinding Calibre 5134 Manufacture, it offers functions that include a perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours, and minutes. The watch is water resistant up to 20 meters and offers a power reserve of up to 40 hours.