A fine Swiss mid 19th Century lever in a silver full hunter case. Keywind nickelled bar movement with going barrel. Plain cock with polished steel regulator, its index on curved section of the main bridge. Compensation balance with blue steel overcoil hairspring. Club foot straight line lever escapement, escape pivots with endstones on a gold setting. Signed white enamel dial with subsidiary seconds, slender Roman numerals, blue steel hands. Substantial engine turned silver full hunter case, rope bezels with flat covers. Gold hinges, thumb piece and flat button, maker's mark “CHs Tissot & Sons – Locle – Warranted Coin”. Wound and set through the signed and numbered silver cuvette.