Béguelin. A fine and unusual silver openface double dial World Time keyless watch

SIGNED J.L. & A. BÉGUELIN, TRAMELAN, CIRCA 1885

Details

Béguelin. A fine and unusual silver openface double dial World Time keyless watch
Signed J.L. & A. Béguelin, Tramelan, circa 1885
With keyless movement, one side with enamel dial with Roman numerals and outer Arabic 24 hours indication, divided into diurnal and nocturnal hours, blued steel moon-style hands, centred by a revolving disc with polychrome indication of 26 world locations, the other side with enamel dial with polychrome indication of 42 world cities, centred by a small revolving 60 minutes dial with Roman numerals, in large circular case, dial signed
63 mm. diam.

Lot Essay

A similar example of a double dialled World Time watch signed J.L. & A. Béguelin, named "spherometer" by his inventor Béguelin, a watchmaker who lived in Tramelan, is in the collection of the International Museum of Horology, La Chaux-de-Fonds.

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