A timepiece includes a striking member and a struck member that is driven when struck by the striking member, at least one of the striking member and the struck member being made from a metallic glass alloy. A homography map is computed from the motion information to determine image alignment parameters. At least one of the RF subsystems comprises a coexistence module configured to communicate coexistence-related messages with of the other RF subsystems, the coexistence-related messages being based on the zones of interference.