Swiss silver lever made for the Chinese market Circa 1880

Silver center seconds pocket watch
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A Swiss silver keyless center seconds pocket watch made for the Chinese market, circa 1880. Polished silver case with an incomprehensible inscription inside: Yigu, Yeegu or Yegu. White enamel dial with radial Roman numerals and later blued steel skeleton hands. A gilt brass movement, engraved Chinese style, going barrel, lateral lever escapement, polished steel monometallic balance with blued steel wings, balance and blued steel flat hairspring, polished steel index regulator.
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Diameter: 63 mm
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Signed:  No Name