Royal Oak 15000

First 33 mm Royal Oak with an automaticAutomaticA mechanical movement wound by a rotor as the watch moves on the wrist. movementMovementThe working mechanism inside a watch or clock. (calibreCaliberThe designation of a watch movement, identifying its design or movement family. 2140), sold as an “intermediate size” for men and women; case by Favre Perret, bracelet 789 by GTF.