The Bleu Nuit, Nuage50 “Grande Tapisserie” dial provides an elegant contrast with the 18-carat pink gold case and bracelet. This 41 mm Chronograph also benefits from the new Royal Oak design evolution as well as the dedicated “50-years” oscillating weight. CASE 18-carat pink gold case, glareproofed sapphire crystal and caseback, screw-locked crown. SIZE 41 mm THICKNESS 12.4 mm WATER RESISTANCE 50 m