German verge pendant watch with faceted 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 faceted stone case, circa 1640. Early verge movement, still without hairspring, gut string, iron balance. Silver dial with Roman hours, central engraved landscape and single iron hand. Faceted stone case, frame and pendant gilt-brass. Case numbered, movement signed,
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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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This piece was formerly part of the important Time Museum collection, Rockford.
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Adam Glück was an important watchmaker from Augsburg.