This 41 mm timepiece is crafted in sand gold, a new 18-carat gold alloy that hovers between white and pink gold and plays with the light. Its multilayered, openworked movement pairs sand-gold-toned and rhodium-toned hues. The new Royal Oak Selfwinding Flying Tourbillon Openworked in 41 mm introduces the very first timepiece crafted in sand gold, a new 18-carat gold alloy conferring rich plays of light. Hovering between white and pink gold, its colour changes depending on the angle and light, thus offering varied aesthetic possibilities. CASE: 18-carat sand gold case, glareproofed sapphire crystal and caseback. SIZE: 41 mm THICKNESS: 10.6 mm WATER RESISTANCE: 50 m DIAL: Sand gold-toned inner bezel, white gold applied hour-markers and Royal Oak hands with luminescent coating. BRACELET: 18-carat sand gold bracelet with AP folding clasp.