Silver Centre Seconds Fusee with up/down Dial

A late 19^th Century English centre seconds fusee lever with power reserve indication in a silver open face case.  Gilt three quarter plate keywind movement with fusee and chain. Harrison's maintaining power. Engraved cock with polished steel regulator, compensation balance with blue steel spiral hairspring. English table roller lever escapement.  Signed and numbered white enamel dial with centre seconds, sector indication for power reserve below twelve o'clock, Roman numerals, blue steel hands. Fitted in a contemporary engine turned silver open face case with ribbed middle.