French 18K yellow gold open faced pocket watch Circa 1850

Gold key wound pocket watch
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A French 18 carat yellow gold open faced pocket watch made by Legras, circa 1850. It has a key wound mechanical movement with cylinder escapement and 4 ruby holes. The silvered guilloché dial features Roman numerals, Breguet style hands, and an outer railway minute track. The round hinged case has guilloché decoration on the caseband and back, and a gold bowl signed Legras.
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Diameter: 40 mm
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Weight: 39.7 g
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Signed: Legras
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Legras
The name Legras refers to a family of watchmakers active in Paris during the 19th century. They were known for elegant, often flatter pocket watches that combined fashion and technology.