Skeletonized quarter repeating verge with glass dial Circa 1760

Rare skeletonized repeating pocket watch with glass dial
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A rare skeletonized quarter repeating Swiss verge with glass dial in a stone set consular case, circa 1760. Full plate fusee movement with three round pillars. The plate and barrel cover pierced and engraved to reveal the trains and blue steel mainspring. Engraved cock, polished steel coqueret set with a garnet, small circular blue steel regulator geared to a plate carrying the index pins. Plain three arm steel balance. Push pendant à toc quarter repeating on two blocks in the case. Winding through the rare glass dial which reveals the polished steel quarter repeating work below. Underpainted white Arabic numerals and decorative gold hands. Double sided two color gold consular case, the bezels set with a row of white stones.
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Diameter: 42 mm
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Depth: 12 mm
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Signed: No name
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Skeletonized repeating watches of this period are very rare. The use of a glass dial to show the quarter repeating work makes this example even more desirable.