Audemars Piguet Double Balance Wheel Openworked

The Royal Oak Double Balance Wheel Openworked, reference 15407BA.OO.1220BA.01, has an octagonal 41mm case in 18-carat yellow gold with an integrated yellow gold bracelet. The openworked dial reveals the calibre 3132 selfwinding movement, displaying hours, minutes and centre seconds along with its double balance wheel construction. The case is 9.9mm thick, fitted with glareproofed sapphire crystal, and offers water resistance to 50 metres. Power reserve is 45 hours.