Audemars Piguet Selfwinding Ruby "50th Anniversary"

Audemars Piguet's Royal Oak Selfwinding "50th Anniversary" ref. 15514BC.RR.1284BC.01 measures 41 mm across in 18-carat white gold. The self-winding movement is the calibre 4309, showing hours, minutes and centre seconds through a sapphire crystal. This example is set with diamonds and belongs to a limited run of ten pieces, each dressed in a different gemstone. Baguette-cut rubies also run through the piece, 861 stones in total, giving the dial its red colour. The bracelet is 18-carat white gold and closes with an AP folding clasp. Central seconds keep the display simple against the gem-set surround. Water resistance is rated to 50 metres.