OUTER : Diameter 58.35 mm, inner bezel diameter 50.5 mm, inner depth to bezel 18 mm.
Birmingham silver hallmarks for 1835, maker BK.
Very good condition throughout. The hinge, catch and button are fine and the case snaps shut nicely.
INNER : Diameter 51.6 mm, inner diameter 46.4 mm, inner depth to dial plate base 13.65 mm.
Matching hallmarks to outer.
Again in very good condition throughout. The bezel closes correctly. No crystal.