A late 19th Century American lever in a substantial full hunter silver case. Full plate gilt going barrel movement with screwed in jewelling. Engraved cock, polished steel regulator with silver sector index. Compensation balance with blue steel spiral hairspring. Club foot lever escapement. Signed white enamel dial with subsidiary seconds, Roman numerals, blue steel hands. Substantial large plain silver full hunter case, vacant engraved oval on the front cover. Gold hinges, wound through the silver cuvette, maker's mark “Dueber Coin”.