French gold dual time independent seconds lever Circa 1850

Unusual gold hunting cased dual time lever by Lézé
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An unusual French 18 carat gold hunting cased two train dual time independent seconds keywound lever watch, circa 1850. Keywound two train jeweled lever movement. Gold cuvette. White enamel dial, outer five minute divisions for the independent center seconds, two subsidiary dials with Roman numerals for the two time zones, constant seconds. Engine turned case, independent seconds start/stop lever in the ribbed band. Cuvette signed, case numbered.
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Diameter: 52 mm
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Signed: Lézé Sr de Blondeau Hger du Roi Rue de la Paix 23 à Paris