In 2015 Richard Mille introduced an All Black version of the original Jamaican flag inspired Yohan Blake that delivered on all the functionalities of its predecessor with classic, crisp design. The RM61-01 comes with an asymmetrical tonneau-shaped, matte black case that measures 42.7 x 50.23 mm and is 15.84mm thick. The baseband is made of carbon and the bezel is made of TZP ceramic. The TZP ceramic is a lightweight material that is highly scratch resistant and has a grain the provides the perfect matte finish. The bezel and the case back are made of TPZ black ceramic. The dial is skeletonized and has baseplate and bridges in grade 5 titanium with black PVD coating for the base plates. This timepiece runs on the RMUL1 caliber that has skeletonized movement and a power reserve of 55 hours. It comes on a rubber bracelet with a titanium fold-over clasp. It has a water resistance of 50 meters.