An 18th century tortoiseshell pair-cased pocket watch by James Chater, Islington, No. 288, c.1780, signed gilt full-plate fusee verge movement, pierced and engraved balance cock, silvered regulation, cylindrical pillars, white enamel dial with black Arabic numerals, black outer minute track with Arabic five minute markers, outer case with tortoiseshell overlaid gilt-metal, diameter 5.1 cm.