A George III silver Benjamin Barber pair cased pocket watch, made for the Turkish market with a tortoiseshell and silver plate outer case with studded detail, the push-button release revealing the matching pair cased watch with a white enamel dial named by the maker, the fusee verge decorative gilded movement, also with maker's details, working order. Both cases hallmarked London 1792 by James Richards, a specialist watch case maker.