English silver repoussé pair cased repeating watch Circa 1720

Silver quarter repeating repoussé verge watch
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A  fine English silver key wind quarter repeating pocket watch with repoussé case and striking mechanism on a bell, circa 1720. Fire gilt full plate fusee verge movement, pierced and engraved winged balance cock, silver regulation disc, hammers striking on bell secured in the case.
White enamel dial with black Roman numerals and black outer minute track with Arabic numeral 5 minute markers, blued steel beetle and poker hands.
Pierced and engraved inner and outer cases, finely engraved cap, signed Wm Webster Exchange Ally, London. Signed dial, dust cap and movement.
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Diameter: 57 mm
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Signed: William Webster, Exchange Ally, London
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William Webster is recorded as a member of the Clockmakers Company from 1710 until his death in 1734 and was formerly an apprentice to Thomas Tompion.
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This watch was displayed at the Antiquarian Horological Society’s exhibition at the Science Museum in 1994.