The blue shades of the Royal Oak Perpetual Calendara??s dial provide a powerful contrast with the 18-carat pink gold case and bracelet. The subdials and inner bezel adorn the iconic a??Night Blue, Cloud 50a?? hue of the original Royal Oak.Case18-carat pink gold case, glareproofed sapphire crystal and casebackSize41??mmThickness9.5??mmWater Resistance20??mDialBlue dial with a??Grande Tapisseriea?? pattern, blue counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezelBracelet18-carat pink gold bracelet with AP folding claspMatchingAccessoriesAudemars Piguet refreshes its accessories collection with six new pairs of Royal Oak Cufflinks.CaseMaterial18-carat pink goldWater Resistance20 mSize41 mmDialBlue dial with a??Grande Tapisseriea?? pattern, blue counters, pink gold applied hour-markers and Royal??Oak hands with luminescent coating, blue inner bezelBracelet18-carat pink gold bracelet with AP folding claspCalibre 5134FunctionsPerpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.Number of jewels38MechanismSelfwindingPower reserve40 hTotal diameter29 mmNumber of parts374Frequency2.75 hz 19800 vphThickness4.5 mm??