Audemars Piguet Selfwinding Chronograph "One Drop"

The Audemars Piguet Royal Oak Selfwinding Chronograph "One Drop", reference 26240CE.OO.1225CE.98, has an octagonal 41mm case in black ceramic with an integrated ceramic bracelet. The blue sunburst dial is paired with a glareproofed sapphire crystal and displays hours, minutes, centre seconds, 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.