English rare tortoise shell sun and moon watch Circa 1690

Silver and  tortoiseshell verge
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A rare English silver and tortoiseshell pair cased sun and moon watch, circa 1690, gilt full plate movement, verge escapement, decoratively pierced and engraved balance cock and foot, flat three-arm balance, tulip pillars, fusee and chain.
Silver champlevé dial, large aperture with rotating disc divided into day and night, the hours indicated on an outer semi circular chapter ring with Roman numerals, the daytime hours indicated by a gilt sun with a pointer, the night hours indicated by the moon with a pointer, inlaid with black and red wax highlights, outer Arabic minute track, single blued steel hand, the lower half of the dial with engraved scrolling foliage inhabited by birds below the signature.
Plain silver inner case, winding aperture to back, the inner case with maker’s mark II for Jonathan Jones, the tortoiseshell outer case with silver rondels, silver inlaid decoration, engraved birds and flowers at the quarters and, within a circular reserve, a vase, flowers and foliage, dial and movement signed.
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Diameter:  54 mm
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Signed: Hen. Godfrey London
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Henry Godfrey was free of the Clockmakers’ Company between 1685 and 1707.
A watch with six hour dial by Godfrey is illustrated in the Camerer Cuss Book of Antique Watches.