The Unitas 6363 watch movement is a manual wind mechanical movement with a pin-lever escapement. It features a ratchet on the dial side and a crown mechanism with a rocker bar. The movement has a 2-layer base plate. It is part of the Oris 259-261 series, which is equipped with a Swiss lever escapement, confirmed by the presence of an escape wheel in the drawing of the Oris 259. The movement is commonly listed with a pin lever escapement in other references. The Unitas 6363 movement includes functions such as manual winding and a sweep second hand. It was used around the year 1945.