Silver Swiss pair cased tortoiseshell alarm watch Circa 1690

Very early Geneva pair cased verge pocket watch with alarm
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A silver Swiss pair cased tortoiseshell watch with alarm, circa 1690, full plate fire gilt movement with silver pierced and engraved cock.
Outer case with tortoiseshell, silver ornaments, 2nd case splendid silver edition, pierced, cartouche with grotesque face, bell, very early Geneva verge movement with beautiful decoration, silver cage, main plate signed, engraved barrel drum, Egyptian pillars,
Original silver champlevé dial, alarm disc in the centre, alarm on bell, one-hand movement.
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Diameter: 54 mm
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Weight: 106 g
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Signed: A. Deonna