English gilt metal verge watch with visible balance Circa 1820

Gilt metal watch with regulator dial and visible balance
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An English gilt metal watch with regulator dial and visible balance, London circa 1820, gilt brass full plate verge movement.
White enamel dial, hour dial at 6, outer minute track, aperture for visible balance at 12, pink gold case, later gilt brass case back
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Diameter: 52 mm
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Signed: Story London