Rare metal Dutch verge with silver champlevé dial Circa 1730

Metal open face verge pocket watch
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A Dutch metal protective case covered with colored shagreen, 2nd case silver, early verge movement with splendid cage, circa 1730.
The main plate is signed and numbered, a beautiful decorative silver champlevé dial with blued steel hands and roman numbers.
Famous Dutch watchmaker, corresponding protective case is not original.
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Diameter: 56 mm
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Weight: 119 g
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Signed: Andreas Vermeulen Amsterdam