A late 17th century silver and tortoiseshell key wind pair cased gentleman's pocket clock watch, the gilt fusee movement with verge escapement and pierced and engraved balance cock and striking on a bell, the backplate signed 'Nath. Barrow London', the silvered champlevé type dial with black Roman hour numerals and single hand, the pierced case back with engraved wrigglework decoration, case diameter 4.6cm, the tortoiseshell mounted outer case with silver piqué inlaid scene of sun, tree and buildings, outer case diameter 5.5cm (section of tortoiseshell missing). Note: Nathaniel Barrow is a recorded London watchmaker, apprenticed in 1653/54, made free of the Clockmakers Company in 1660/61, becoming an assistant in 1676 and master in 1689. He died in 1700. Provenance: formerly the property of Tom Robinson, past chairman of The Antiquarian Horological Society and author of various horological books including 'The Longcase Clock'.