Full image caption
Front of a gold and enamel cased cylinder watch of white enamelled dial with 'beetle' and 'poler' hands. Pierced clock set with rose diamond and decorated at foot with grotesque mask. Inner side of case inscribed 'Charlotte, Lady Viscountess Townshend'. Outer side of case set with rose diamond stud and engraved with flower pattern enamelled dark blue.
© Museum of London