Audemars Piguet Selfwinding "50ᵀᴴ Anniversary"

The Royal Oak Selfwinding "50ᵀᴴ Anniversary", reference 15550ST.OO.1356ST.01, has an octagonal stainless steel case measuring 37mm across and 8.9mm thick, fitted with an integrated steel bracelet. The silver 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, offering a power reserve of 60 hours.