Unusual Swiss silver open faced repoussé cylinder Circa 1880

Silver keyless repoussé pocket watch by Patek Philippe
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A rare and unusual Swiss silver open faced repoussé keyless cylinder watch, circa 1880. Gilt finished cylinder movement, wolf’s tooth winding. Silver cuvette. Silvered chased dial with Roman numerals on blank cartouches separated by gilt florettes, outer Arabic five-minute divisions, chase centred by pierced coat-of-arms. Repoussé case, scroll and floral decorated bezel and band, a scene depicting St. George and the Dragon and inscription S. Georgius Equitum Patronus in high relief to the back, inside with the inscription In Tempestate Securitas and a ship in full sail with the sleeping Christ and two apostles. Cuvette signed and numbered.
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Diameter: 33 mm
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Signed: Patek, Philippe & Co Genève