The Audemars Piguet Royal Oak Perpetual Calendar (Ref. 26579CB.OO.1225CB.01) is a striking timepiece that seamlessly blends traditional watchmaking with contemporary design. Encased in meticulously crafted white ceramic, this 41mm watch features a blue "Grande Tapisserie" dial adorned with silver-toned subdials and a moon-phase indicator set against an aventurine backdrop. The watch offers a comprehensive perpetual calendar, displaying day, date, month, week number, leap year, and moon phase, all powered by the ultra-thin Calibre 5134 movement. The integrated white ceramic bracelet with a titanium folding clasp ensures both comfort and durability. This model is a boutique-exclusive edition, reflecting Audemars Piguet's commitment to innovation and luxury.