Audemars Piguet Selfwinding Blue Topaz "50th Anniversary"

Audemars Piguet's Royal Oak Selfwinding "50th Anniversary" ref. 15514BC.TO.1284BC.01 is a 41 mm case in 18-carat white gold. The watch is set with diamonds, in this instance 861 baguette-cut blue topaz stones totalling around 41.3 carats. A sapphire crystal covers the turquoise dial, which shows hours, minutes and a central seconds hand. The self-winding Calibre 4309 drives the watch and carries an oscillating weight made specifically for this 50-years edition. The bracelet is finished in white gold and closes with an AP folding clasp. This particular reference belongs to a set of ten pieces, each set with a different gemstone. Water resistance is rated to 50 metres.