This case will work for both lever and pendant set 18s American movements. Any movement will look great in this case. The pendant hardware is sound.

Size : 18s
Case:  Open Face, both covers screw on/off
Crystals: Glass
Maker: Star W.C.Co.
Material: Nickle
Weight : 48 grams
Outside D : 54 mm
Inside D : 43.2 mm