Large Single Handed Gilt Swiss Oignon

A late 17^th Century Swiss centre wound Swiss verge in a decorative gilt oignon case.  Very deep full plate fire gilt movement with four slender Egyptian pillars.  Wound by the square in the centre of the dial via steel wheels to the fusee, now converted to gut.  Large bridge cock finely pierced and engraved with cherubs, fish and arrow quivers.  Large plain three arm steel balance with blue steel spiral hairspring.  Small silver regulator dial under a blue steel bridge acting on a blue steel rack.  White enamel dial with Roman numerals on raised cartouches, small ring of quarter hour divisions, elaborate single blue steel hand.  Deep gilt consular case decorative chased and engraved with a scene of a man fighting a figure with the legs of a man and the head of an animal.