Swiss 18K gold minute repeating pocket watch Circa 1900

Unsigned gentleman’s pocket watch with open face 
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An exquisite large Swiss pink gold minute repeating pocket watch with highly refined calibre, circa 1900.
Very fine quality lever movement probably by Vallée de Joux, repeating the minutes, special winding patent, screwed gold chatons, fine adjusting device. White enamel dial with radial Roman hours, outer minutes track with Arabic five-minute numerals, subsidiary dial for the seconds and blued steel pear hands. Polished 14K gold à goutte case, dome missing.
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Diameter: 56.5 mm
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Weight: 120 g
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Signed: No name