Alpine country double cased silver verge watch, around 1820, key...

Alpine country double cased silver verge watch, around 1820, key winding, smooth inner case, lacquered outer case with nail- ornamentation, both with big lateral hinge, enamel dial damaged, hands later, gold plated and full engraved movement with chain and fusee, pierced balance bridge, chain has to be repaired, needs to be overhauled, diameter approx. 65 mm, condition 3-4