Swiss gold calendar watch with central date pointer Circa 1880

Gold Geneva calendar watch with open face
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An interesting, early gold Geneva calendar watch with a central date pointer and precision movement with compensating armature, circa 1880.
Fine Swiss lever movement with compensating armature. Enamel dial with Roman radial hours, outer Arabic blue date indicator, outer minutes track, pointer date from the middle, subsidiary dial for the seconds, and gold-plated hands. Engine turned 14K gold case, flower cartouche, engraving, and dust cover labelled Quantieme Geneve.
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Diameter: 47 mm
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Weight: 84 g
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Signed: No name