Prestigious Austrian gold escutcheon-form watch Circa 1829

Gold shield-shaped cylinder watch
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A remarkable and prestigious Austrian 18K gold escutcheon-form pendant watch, circa 1829. Shield-shaped movement, cylinder escapement, key-wound, going barrel.
Case with a radial engine-turned pattern, case maker’s punch mark AM. Gold engine-turned dial, small eccentric time indication at 6 o’clock with Roman hours and outer minute divisions, a visible diamond-set balance at 12.
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Diameter: 51 mm
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Weight: 38 g
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Signed: No name