CODE 11.59 by Audemars Piguet Perpetual Calendar
This model houses selfwinding Manufacture calibre 5134 optimised with the collection’s signature openworked weight in 22-carat gold. A perpetual calendar automatically adjusts short months, and adds a day to February each leap year. If worn permanently, it will require an adjustment in 2100 only. This adjustment will consist in setting the date manually from February 29th to March 1st.