The 18-carat pink gold 41 mm case is enhanced by a black “Grande Tapisserie” dial and a matching alligator strap. This Chronograph encompasses the new Royal Oak design evolution as well as the “50-years” oscillating weight visible through the sapphire caseback. 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 DIAL Black dial with “Grande Tapisserie” pattern, black counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating. BRACELET Black alligator strap with 18-carat pink gold AP folding clasp.