An early 19th Century English Massey type three lever in silver pair cases. Full plate gilt keywind fusee movement with dust cover. Harrison's maintaining power. Plain cock, inscribed “Detach'd Lever”, diamond endstone, blue steel Bosley regulator. Plain three arm steel balance with blue steel spiral hairspring. Massey type three lever escapement, lateral steel stop lever. Off white enamel dial with subsidiary seconds, Roman numerals, blue steel seconds hand, gilt hands. Matching silver pair cases, silver oval pendant and bow, maker's mark “WB”.