English gold and enamel quarter repeating cylinder Circa 1770

Gold and enamel quarter repeating cylinder watch
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A very fine English gold and enamel quarter repeating pair cased cylinder pocket watch, circa 1770. Gilt full plate movement, verge escapement, pierced and engraved balance cock, diamond endstone, fusee and chain, quarter repeating on a bell to the inside case back, gilt metal cuvette.
White enamel dial, Roman hours, outer Arabic minute track, gold beetle & poker hands, winding aperture below 12 o’clock.
Pierced and engraved inner case with leaf form imperial blue basse taille enamel heightened with polychrome enamel flowers raised in relief, engine turned decoration in between, engraved flowers, foliage and rococo scrolls, decorative piercings for sound emission towards the bezel, pulse piece to the band, outer gilt metal case covered with ray skin, piqué work to the bezels, movement and cuvette signed Conyrs Dunlop London.
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Diameter: 53 mm
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Signed: Conyrs Dunlop London
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Conyers Dunlop was free of the Clockmakers’ Company in 1733 and Master in 1758. He was based at Spring Gardens, Charing Cross.
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Basse taille is an enamelling technique in which the artist creates a low relief pattern in metal, usually silver or gold, by engraving or chasing. The entire pattern is created in such a way that its highest point is lower than the surrounding metal. A translucent enamel is then applied to the metal, allowing light to reflect from the relief and creating an artistic effect. It was used in the late Middle Ages, and then again in the 17th century.