Audemars Piguet Perpetual Calendar "John Mayer"

Audemars Piguet Royal Oak Perpetual Calendar "John Mayer", reference 26574BC.OO.1220BC.02, has a 41 mm case in white gold. The case measures 9.5 mm thick and the dial sits under a sapphire crystal. This limited edition displays a dark blue "Crystal Sky" dial with an embossed finish. Inside is the self-winding Calibre 5134, which drives a perpetual calendar with day, date, month, weekday and astronomical moon phase functions. It is the last perpetual calendar model built around this movement. The white gold bracelet closes with an AP folding clasp. Water resistance reaches 50 metres.