Audemars Piguet Royal Oak Perpetual Calendar “150th Anniversary” Ref. 26585XT.OO.1220XT.01

Connecting past and present; this vintage-inspired timepiece pays a final tribute to Calibre 5135; the historic openworked perpetual calendar movement; while combining titanium and BMG (Bulk Metallic Glass) on the case and bracelet for a limited edition of 150 pieces featuring the special anniversary design codes.; The sapphire dial is fitted with blue counter surrounds; a matching inner bezel; 18-carat white gold round hour-markers and blue bathtub hands filled with luminescent material.; The integrated bracelet combines BMG studs with titanium links and an AP folding clasp.; Functions: Perpetual calendar with week indication; day; date; astronomical moon; month; leap year; hours; minutes.