French 18K gold quarter repeating pocket watch Circa 1800

Gold open faced repeating verge watch
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A French 18 carat yellow gold open faced quarter repeating pocket watch made by Vierling in Strasbourg, early 19th century. This watch has a key wound mechanical movement with a chased and pierced cock, three arm spiral balance, verge escapement, and advance/delay adjusting disc. The quarter repeating striking mechanism is triggered by the pendant and operates a two hammer gong chime. The white enamel dial shows stylised Breguet style numerals for the hours, a minute track, blued steel Breguet style hands, and is signed Vierling. The round 18 carat yellow gold case has a guilloché back and is numbered inside. The metal cuvette has an aperture for the winding square and is signed Vierling à Strasbourg.
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Diameter: 55 mm
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Weight: 117.7 g
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Signed: Vierling à Strasbourg