Rare American 14 carat gold lever pocket watch Circa 1911

Gold watch made for John Wanamaker, Philadelphia and New York
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A rare American 14 carat gold open faced keyless pocket watch made by Elgin National Watch in Illinois, circa 1911. A polished cover, white enamel dial with suspended Arabic numerals, an outer minute track, subsidiary at 6 and blued spade hands. A nickel, ¾ plate movement, going barrel, gold screwed chatons, straight line lever escapement, cut bimetallic compensated balance with gold poising screws and blued steel hairspring with terminal curve, polished steel Moseley index-regulator with swan-neck spring and micrometric screw, adjusted. Signature on the dial and movement.
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Diameter: 48 mm
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Weight: 67 g
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Signed: Elgin National Watch,  Illinois
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Accompanied by copies of the invention patents.
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The movement used in this watch was produced at 1000 examples, in 1911 (run 6, No. 15 124 001 to No. 15 125 000).
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The Elgin National Watch Company, commonly known as Elgin Watch Company, was a major U.S. watchmaker from 1864 to 1968. The company sold watches under the names Elgin, Lord Elgin and Lady Elgin.