The Kienzle 46/10 watch movement is a hunter calibre model that includes early samples with a bimetallic screw balance. The movement exhibits varying bridge shapes, and there is limited information available regarding the differences between the 19'''F and 19'''J variations. The Kienzle 46/10 movement incorporates the following functions: stem wind and set, sub second. The period of production for this movement is estimated to be around 1925.