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Gedeon Thommen Silver Patented Digital Display Pocket Watch


Release date:2022-01-25
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Gedeon Thommen Silver Patented Digital Display Pocket Watch

Inventory Number: PW2112009

Made circa 1889 in Waldenburg, Switzerland, signed Gedeon Thommen. 52 mm diameter, 935 silver case pocket watch. Engine-turned case, white enamel dial, patented digital display aperture in the center, the single window above for the hours, and the double window below for the minutes. Small seconds at 6 o'clock. 

18'' ½ gilt brass movement, lever escapement, bimetallic compensated balance, blued steel flat balance spring, polished steel index-regulator.

Movement with hours and minutes displayed in instantaneous jumping numerals, based on U.S. Patent No. 347 139 for the invention granted on August 10, 1886, to Gedeon Thommen (1831-1890), watchmaker at Waldenburg near Basel, Switzerland.

 

Digital display refers to displaying the time by means of numbers instead of hands.




 
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