Audemars Piguet Selfwinding "50ᵀᴴ Anniversary"

The Audemars Piguet Royal Oak Selfwinding "50ᵀᴴ Anniversary", reference 15551OR.ZZ.1356OR.02, has an octagonal 37mm case in 18-carat pink gold with an integrated rose gold bracelet. The blue Grande Tapisserie dial is protected by a glareproofed sapphire crystal and displays hours, minutes, centre seconds and a simple calendar. It is powered by the selfwinding calibre 5900, offering 60 hours of power reserve, and the case is water resistant to 50 metres.