A silver pair-cased pocket watch, maker Thomas Martin English Circa 1834 5.2 cm diameter, 6.7 cm high. A silver pair-cased pocket watch, maker Thomas Martin. English Circa 1834. Silver Pair-Cased Watch, outer case and box plain, bearing London hallmarks for 1834. Makers mark "WB" possibly for William Barrett 11, listed in Grimwade's "London. Goldsmiths" as a small worker whose mark was entered on 17/2/1821 and again on. 15/9/1828. White enamel dial with black Roman hour numerals. Mismatched gold and black hands. Long round pendant, metal bow, catch to open outer case broken. Fusee drive, verge escapement, pierced table to balance cock, decorated with a symmetrical. chased foliate pattern with mask near foot, solid chased foot, chased surround to silver. regulator dial. Signed on back plate "Thos Martin, London, 8764. Turned circular pillars. Provenance: Purchased from Max Cohen, Domoch Terrace, Highgate Hill, Brisbane in about 1970. Dimensions: 5.2 cm diameter, 6.7 cm high