English pair cased watch with repoussé decoration Circa 1758

Silver repousse pair cased verge watch
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An English silver pair cased repoussé verge pocket watch, circa 1758.
Gilt movement, verge escapement, pierced and engraved bridge cock, silver regulator disc, fusee and chain with worm and wheel barrel set-up between the latest, signed: Willm Dunant London/2207. Enamel dial with Roman radial hours, outer minutes track with Arabic five minutes numerals and gilt Louis XV-style hands. Two cases: a silver outer case with a chased and engraved repoussé scene on the back; and a plain inner case.
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Diameter: 51 mm
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Signed: Willm Dunant London
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Marking:
[1] Leopard’s head crowned;
[2] London date letter for 1758–59;
[3] Lion passant (?);
[4] indecipherable mark;
[5] small indecipherable mark