Worboys Antiques has dated this piece to the Victorian era.
The French made 8 day timepiece movement is stamped AF. This is the stamp for Arnold and Frodsham, makers to Queen Victoria.

Height 21 cm (8 1/4") Width 19 cm (7 1/2") Depth 12.5 cm (4 1/1")
Condition
The case is in good condition having been repolished and wax finished, the movement has been fully serviced and is guaranteed for 12 months.
Worboys Antiques has dated this piece to the Victorian era.
Established since 1978, dealing in and restoring most antiques, specialising in clocks and furniture.
You can view the stock and full dealer information on the Worboys Antiques Profile Page
Worboys Antiques is a registered member of LAPADA