A mid 19th Century English centre seconds fusee lever by Frodsham in a gold open face case. Gilt three quarter plate keywind movement with fusee and chain. Harrison's maintaining power. Engraved cock with polished steel regulator, diamond endstone. Compensation balance with blue steel spiral hairspring. English table roller lever escapement, escape, lever and centre seconds pivots with endstones. Signed and numbered white enamel dial with centre seconds, Roman numerals, blue steel hands. Plain 18 carat open face case, monogram on the back cover. Wound and set through the gold dome, maker's mark “JB” in an oval and number corresponding to that on the movement.