The Royal Oak Double Balance Wheel Openworked tackles stabilising issues by fixing a second balance wheel and balance-spring assembly on the same axis. The new patented geometry involves a very complex manufacturing procedure, but the payoff is huge: greatly improved precision and stability.
Selfwinding watch with hours, minutes, and centre seconds. 41 MM 18-carat pink gold case, glareproofed sapphire crystal and caseback, screw-locked crown, slate grey openworked dial, pink gold applied hour-markers and Royal Oak hands with luminescent coating, 18-carat pink gold bracelet. Water resistant to 50 meters with a power reserve of 45 hours. 2020.