German important watch with 24h dial and date Circa 1795

Open faced pocket watch by P. Hahn
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An important German pocket watch with 24h dial and date, circa 1795.
Gilt case; enamel dial with red Arabic hours on the left and black Arabic hours on the right, in the centre two subsidiary chapter rings for the auxiliary seconds and date; full plate movement, firegilt, open barrel, open work balance bridge with regulator scale decorated with floral engravings and birds, large five-arm brass balance, horizontal cylinder escapement with steel cylinder and silver cylinder wheel. Movement signed “Gebrüder Hahn Hofmechanici Stuttgardt” and dial signed “P. Hahn Echterd.”
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Diameter: 55 mm
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Weight: 97 g
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Signed: P. Hahn Echterd., Gebrüder Hahn Hofmechanici Stuttgard
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Gebrüder Hahn Hofmechanici in Stuttgardt:
The brothers Hahn, Christian Gottfried (* 1769) and Christoph Matthäus (1767-1833), worked in the workshop of their father Philipp Matthäus Hahn of Onstmettingen, Kornwestheim, and Echterdingen. Christian Gottfried and Christoph Matthäus went on to become “Hofmechanikus” (court mechanicians) in Stuttgart. Christian Gottfried was later recorded in Berlin and in America.