Audemars Piguet Selfwinding "50th Anniversary"

The Audemars Piguet Royal Oak Selfwinding "50th Anniversary", reference 15550SR.OO.1356SR.01, has an octagonal stainless steel case measuring 37mm with an integrated steel bracelet. The white dial features a Petite Tapisserie pattern and is protected by a glareproofed sapphire crystal, displaying hours, minutes, centre seconds, and a simple calendar. It is powered by the selfwinding calibre 5900, which provides 60 hours of power reserve, and the case stands 8.9mm thick.