A mid 19th Century Swiss captain's independent seconds lever in a gold open face case. Keywind gilt bar movement with two suspended going barrels. Plain cock with polished steel parachute suspension and blue steel regulator with temperature compensation curb. Uncut bimetallic balance with spiral hairspring. Club foot lever escapement. Gold engraved dial, independent centre seconds, subsidiaries for continuous seconds, and two chapters for time. The chapter of Roman numerals running constantly and the one of Arabic numerals running only when the independent seconds train is in use, blue steel hands. Substantial purpose made plain 18 carat open face case with clip on back and bezel.