This 37 mm model benefits from the latest Royal Oak design evolution. Its 18-carat pink gold case and diamond-set bezel are contrasted with a "Bleu Nuit, Nuage 50" “Grande Tapisserie” dial, in tribute to the original Royal Oak from 1972. The sapphire caseback reveals the refined finishing of the selfwinding Calibre 5900. CASE 18-carat pink gold case, bezel set with brilliant-cut diamonds, glareproofed sapphire crystal and caseback. SIZE 37 mm THICKNESS 9.1 mm WATER RESISTANCE 50 m DIAL “Bleu nuit nuage 50” dial with “Grande Tapisserie” pattern, pink gold applied hour-markers and Royal Oak hands with luminescent coating. BRACELET 18-carat pink gold bracelet with AP folding clasp.