German silver very rare calendar pocket watch Circa 1800

Pocket watch with cylinder escapement
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A very rare calendar watch, made by Christoph Matthäus Hahn in Stuttgart, Germany, circa 1800. The plain case of this watch was crafted from silver and the enamel dial features an outer track with Arabic 5 minute numerals, Arabic hour numerals, a central dial with the days of the month and very beautiful gold hands. The full plate movement with typical Hahn construction is fitted with a cylinder escapement.
The movement is signed.
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Diameter: 53 mm
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Weight: 112 g
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Signed: Hahn Hof Mechanicus, in Stuttgart