English gold verge watch with “mock pendulum” Circa 1720

Gold open faced pocket watch 
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A rare verge pocket watch with “mock pendulum balance”, circa 1720, gold case, chased and florally engraved case with foliage decoration, large lateral hinge. Gilt dial, Champlevé style, enamelled Roman numerals, blued spade hands. Full plate movement, keywind, applied oral decorations, nely hand-engraved, regilt, signed, chain/fusee, tulip pillars, “mock pendulum balance”, engraved balance cock.
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Diameter: 50 mm
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Weight: 109 g
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Signed: John Pepys London
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Wrong hands and pendant