This case will work for both lever and pendant set 16s American movements. This case is cut for the late Waltham “Vanguard” movements as well as cut for the other americans movements. Any movement will look great in this case. The pendant hardware is sound. Case: Open Face, both covers screw on/off. Maker: Star W. C. Co. Outside D : 48 mm. Inside D : 43.2 mm. Please use the photos as a big part of the description and please contact me with any questions.