Fine American gilt Ball model railroad watch Circa 1900-1910

Gilt American railroad watch by Hamilton Watch Co.
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A fine American gilt railroad watch. Ball Watch Co. model Grade 999 Official RR Standard by Hamilton Watch Co., circa 1900-1910. 23 Jewel movement, concentric damascened divided ¾ plate, jewels in settings, bimetallic balance, overcoiled spring, swan’s neck regulator, stem wound, lever set. White enamel dial, black Arabic numerals, subsidiary seconds and blued hands. Plain open face case, Ball model, signed ‘C.W.C. Co.’, cuvette signed.
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Diameter: 50 mm
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Signed: Trade Mark Official RR Standard Ball Watch Co. Cleveland – Ball Watch Co. Cleveland, O.