An early 20th Century Swiss lever in a slim gold and enamel open face case. Nickelled split three quarter plate keyless movement with going barrel. Plain cock with polished steel regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. Small engine turned silver dial with subsidiary seconds, Roman numerals, blue steel hands. Slim 18 carat open face case the broad front bezel and back decorated in translucent light blue enamel over an engine turned ground.