Audemars Piguet Royal Oak Double Balance Wheel Openworked 15467OR. This Royal Oak Double Balance Wheel is designed in a 37mm 18-carat rose gold case and rose gold bezel. The beautiful open-worked rhodium-toned dial contains rose gold applied hour markers and is protected by a glareproofed sapphire-crystal and caseback. The watch is crafted on an 18-carat rose gold bracelet with AP folding clasp. Model: Royal Oak Double Balance Wheel Openworked. Case Material: Rose Gold. Bracelet Material: Rose Gold. Box & Papers: Original box, original papers.