An early 19th Century English rack lever in a silver open face case. Full plate gilt keywind fusee movement with plain gilt dust cover. Chased and engraved cock inscribed “Patent” on the foot, bell shaped table, diamond endstone, blue steel Bosley regulator. Plain three arm steel balance with blue steel spiral hairspring. English rack lever escapement, adjustable slides to the lever pivots, large thirty tooth escape wheel. White enamel dial with Roman numerals, blue steel hands. Purpose made silver open face case hallmarked London 1868.