Swiss 18K rose gold minute repeating lever chronograph Circa 1900

Rose gold repeating chronograph
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A Swiss 18 carat rose gold open faced minute repeating chronograph lever watch, circa 1900. Rhodium-plated movement, Geneva Striping decoration, 31 jewels, wolf’s tooth winding, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil, index regulator, repeating on gongs activated by a slide on the band. Hinged gold cuvette. White enamel dial with Roman hours, outer minute track with fifths of a second chronograph divisions and Arabic five-second numerals, subsidiary seconds at 6 o’clock, blued steel spade hands. The polished case made by the American Watch Case Co. Dial signed Patek, Philippe & Co Genève, case numbered and signed A.W.C.Co., movement numbered.
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Diameter: 51 mm
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Signed: Patek, Philippe & Co Genève
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The movement of this watch although unsigned is very high-grade and certainly equal to the Patek Philippe standard. However, the numbers of the watch do not correspond to any watch in the Patek Philippe archives and therefore the dial signature must be considered erroneous.
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The American Watch Case Co was founded in 1893 in New York by Henry Oppenheimer and only made cases in solid 14 or 18 carat gold.