A large 19th Century English keyless fusee lever with power reserve indication in a gold open face case. Gilt half plate keyless movement with fusee and chain. Harrison's maintaining power. Plain cock with gilt regulator, compensation balance with blue steel spiral hairspring. English table roller lever escapement, screwed in jewelling, escape and lever pivots with endstones. Signed and numbered white enamel dial with subsidiaries for power reserve and seconds, Roman numerals, blue steel hands. Substantial large plain 18 carat open face case, small blue champleve enamel head of a dog in the centre of the back cover. Maker's mark “PW” in an oval and number corresponding to that on the movement.