Audemars Piguet Royal Oak Selfwinding Tanzanite "50th Anniversary" Ref. 15554BC.TF.1274BC.01 The Audemars Piguet Royal Oak Selfwinding Tanzanite "50th Anniversary" ref. 15554BC.TF.1274BC.01 has a 37 mm 18-carat white gold case set with baguette-cut tanzanites and the self-winding Calibre 5909. - Self-winding Calibre 5909, 60 h power reserve - Functions: hours, minutes and centre seconds - Case: 18-carat white gold case set with baguette-cut tanzanites, glareproofed sapphire crystal and caseback. Diameter 37 mm, thickness 10 mm, water resistant to 20 m - Dial: 18-carat white gold dial set with baguette-cut tanzanites, white gold Royal Oak hands with luminescent coating - 790 baguette-cut tanzanites; ~26.4 carats on whole watch - 18-carat white gold bracelet set with baguette-cut tanzanites, AP folding clasp Full set. Maker: Audemars Piguet. Reference: 15554BC.TF.1274BC.01. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.