The Porsche Design Monobloc Actuator is a chronograph watch that does away with the usual push pieces in favor of a rocker mechanism integrated in the case. Reference 4046901564148 is a limited edition of 251 pieces; the number is a reference to the wheel base (in cm) of the 911 RSR. This watch has a titanium case with black titanium carbide coating, which houses a self-winding movement in the form of caliber 7754. The dial is made of carbon fiber. It comes fitted with a black rubber strap.