Swiss 18 carat gold U.S. twenty dollar coin watch Circa 1965

Gold coin watch
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A rare Swiss 18 carat gold concealed watch set into a U.S. twenty dollar coin made by Rolex in Geneva, circa 1965. The movement with a straight line lever escapement, 18 jewels, a monometallic balance with five adjustments and self compensating flat balance spring. Silvered dial with Roman and baton hours, an outer minute track and blued hands. The case with a snap on back, hinged within a 1900 United States of America 20 dollar coin featuring Lady of Liberty on the front and the double eagle on the reverse, revealed by pressing the thumbpiece in the milled band, a later attached bow for the watch chain. Dial and movement signed, case numbered. Comes with an associated chain.
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Diameter: 35 mm
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Weight: 46 g
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Signed: Rolex Genève Swiss
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The watch chain is hallmarked, but no longer legible.
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Reference 3600.
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Coin watches have been made by a few manufacturers, such as Cartier, Patek Philippe and Corum. Pieces made by Rolex are particularly rare.
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Rolex is a luxury watch brand founded in 1905 by Hans Wilsdorf and Alfred Davis in London, England. Originally called Wilsdorf & Davis, the company changed its name to Rolex in 1908. Rolex has a rich history of innovation and achievement in the watchmaking industry. In 1910, it was the first watch company to receive the Swiss Certificate of Chronometric Precision, which is awarded to timepieces that pass a series of rigorous tests for accuracy and reliability. In 1926, Rolex introduced the Oyster, the world’s first waterproof wristwatch. This was followed by the introduction of the Perpetual rotor, which automatically winds the watch’s mainspring as the wearer moves their wrist. Over the years, Rolex has continued to innovate and push the boundaries of watchmaking technology. Today, Rolex is one of the most recognized and respected luxury watch brands in the world, known for its precision, durability and timeless style.