German verge pendant watch with carnelian stone case Circa 1640

Gilt brass and faceted stone pendant watch by Adam Glück
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A German verge pendant watch with an extremely rare carnelian stone case, circa 1640 and later. Gilded full plate movement, signed Adam Gluck, with verge escapement, polished steel two-arm balance, later pierced and floral engraved balance cock, worm and wheel set-up lacking indication plate, fusee and gut line, and baluster pillars. Later silver dial with Roman numerals, engraved with a landscape to the centre, and a single silver hand. Later faceted carnelian case, gilt frame with engraved running foliage, lacking pendant at base and provision for movement catch.
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Diameter: 35 mm
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Weight: 42 g
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Signed: Adam Glück Augsburg
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Adam Gluck worked in Augsburg as an independent in 1671 and died in 1682.