A large late 18th Century Austrian calendar verge in silver and underpainted horn case. Large full plate gilt fusee movement with unusual sprung dust ring. Finely pierced and engraved bridge cock with steel coqueret, plain three arm gilt balance with blue steel spiral hairspring. Silver regulator dial with blue steel indicator. Winding through the signed white enamel dial, central date calendar, Arabic numerals, blue steel Breguet hands. Large plain silver consular case, long silver pendant and bow. Protective outer with silver bezels covered in horn underpainted green and brown, secured by silver pique pins.