English brass wall timepiece, Craighead & Webb

An English brass wall timepiece
Craighead & Webb, London
mid 19th century
The silvered dial with Roman hours with subsidiary seconds dial inscribed Craighead & Webb / Royal Exchange / London, with single train fusee movement.
diameter 7 3/4in (19.5cm); depth 2 1/2in (6cm)
Condition Report: With marks, scratches, rubbing and oxidation. No key. Working condition unknown and not guaranteed.