A late 19th Century Swiss lever by Vacheron & Constantin in a gilt metal mounted glass ball and brass stand. High quality keywind bar movement with going barrel. Plain cock with polished steel regulator, plain three arm gilt balance with blue steel spiral hairspring. Club foot lever escapement. Signed white enamel dial with subsidiary seconds, Roman numerals, gilt Breguet hands. Enclosed in a glass sphere in two halves mounted in hinged gilt metal bezels, wound and set by opening the rear sphere. Cast brass stand with green baize lined socket allowing the clock to set at any angle. Back glass with a flat portion allowing the clock to stand on a table alone if desired.