Audemars Piguet Selfwinding Chronograph "50th Anniversary"

The Royal Oak Selfwinding Chronograph "50th Anniversary", reference 26240ST.OO.1320ST.04, has an octagonal stainless steel case measuring 41mm in diameter and 6.8mm thick, fitted with an integrated steel bracelet. The green Grande Tapisserie dial is protected by a glareproofed sapphire crystal and displays hours, minutes and centre seconds alongside a flyback chronograph and a simple calendar. It is powered by the selfwinding calibre 4401, offering 70 hours of power reserve, and the case is water resistant to 50 metres.