English excellent verge watch in a protective case Circa 1800

Gold open faced pocket watch by Stephen Twycross
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An excellent English gold enamel verge pocket watch in a protective case with costly decorated, matching chatelaine and original red morocco case, circa 1800. This pocket watch has a wave pattern engine-turned decoration and translucent cobalt blue enamelling with a centred stylized flower in paillon decor on the back. The matching four part gold chatelaine with five similar decorated enamel plaques studded with signet and key; its length is 220 mm. The case is 18 Carat gold, and the dial is white enamel with Arabic numerals and arrow hands. The signed and numbered movement is a full plate movement with a chain/fusee and a plain three-arm steel balance.
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Diameter: 57 mm
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Weight: 121 g
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Signed: Stp.Twycross, London