Silver Half Hunter

An early 20^th Century Swiss lever in an engine turned silver half hunter case.  Damascened nickelled split three quarter plate  keyless movement with going barrel.  Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring.  Screwed in jewelling, Club foot lever escapement.  White enamel dial with subsidiary seconds, Roman numerals, blue steel half hunter hands.  Engine turned silver half hunter case with blue enamel chapter ring, vacant shield shaped cartouche on the back cover.  Plain silver cuvette, maker's mark "GS" in a cartouche. Gilt winding button.