Audemars Piguet Selfwinding Chronograph

The Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 26238BA.OO.2000BA.01 is known as the 1017 ALYX 9SM. Its octagonal 42mm case is made of 18-carat yellow gold with an integrated yellow gold bracelet, paired with a gold sunburst dial and a glareproofed sapphire crystal. The case measures 15.3mm thick and offers water resistance to 100 metres. It houses the selfwinding calibre 4404 with a 70-hour power reserve, providing hours, minutes, centre seconds, a flyback chronograph, and a simple calendar.