Audemars Piguet Royal Oak Perpetual Calendar – Calibre 7138 (2025)

Case: 41 mm x 9.5 mm, stainless steel, 50 m water-resistant. Movement: New self-winding Cal. 7138, 4 Hz, 55-hour power reserve, 422 components, 41 jewels. Functions: Hours, minutes, day, date, week, month, leap year, and moon phase – all adjusted entirely via the crown, no more pushers. Priced at CHF109, 300