
Audemars Piguet Royal Oak Perpetual Calendar "150th Anniversary" 41 mm sapphire dial - 26585XT.OO.1220XT.01
Brand Audemars Piguet Model Royal Oak Perpetual Calendar "150th Anniversary" Reference Number 26585XT.OO.1220XT.01 Production Year 2025 Box/Papers Box & Papers Case Material Titanium Case Size 41 mm Water Resistance 20 meters Dial Type Sapphire dial Dial Details Blue counter surrounds, matching inner bezel, 18-carat white gold round hour-markers, blue bathtub hands filled with luminescent material Bracelet Integrated bracelet combining BMG studs with titanium links Clasp AP folding clasp Movement Selfwinding Caliber 5135 Functions Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours, and minutes Number of Jewels 38 Power Reserve 40 hours Total Diameter 29 mm Number of Parts 374 Frequency 2.75 Hz (19,800 vph) Movement Thickness 4.5 mm Warranty Two-year warranty