Swiss 18k yellow gold watch with chronograph Circa 1860

Gold watch with monogrammed front cover
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A very fine, hunting cased Swiss, keyless, 18K yellow gold pocket watch with chronograph, circa 1860. A solid, polished, monogrammed front, the back engraved with a small flower, hinged gold cuvette with inscription. White enamel dial with radial Roman numerals, outer minute and outermost chronograph divisions, sunk subsidiary seconds dial. Blued steel spade hands. A frosted gilt movement, 21 jewels, straight-line counterpoised lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, visible chronograph works. Case numbered.
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Diameter: 51 mm
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Signed: Patek Philippe Genève