Very small Swiss gold hunting cased pocket watch Circa 1900

Gold lever with engraved monogram
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A fine Swiss, rare and small hunting cased, keyless, 18K yellow gold pocket watch, circa 1900. The front cover is engraved with a monogram. Hinged gold cuvette. White enamel dial with radial Arabic numerals, outer minute track. Blued steel spade hands. A frosted gilt movement, 15 jewels, wolf’s tooth winding, straight-line lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, index regulator. Dial, case and movement signed.
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Diameter: 28 mm
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Signed: Patek Philippe & Co.  Genève