Cylinder movement with quarter repeating.

Gold pair cases and chatelaine (22ct)
Repousse outer, plain inner
Inner case marked DA possibly for David Aveline (1723 to 1771)
Blue Ball, Tower Street, Seven Dials (Covent Garden)
from Goldsmiths Company Register

Wilkinson Crumpton – recorded at St. Botolph, Bishopsgate, London from 1749.
Listed in the Clockmakers Company in 1756. Bankrupt in 1760. Died in 1821.