English fine 18K gold open faced lever watch Circa 1845

Fine gold open-faced lever watch
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An English fine gold open-faced lever watch, circa 1845, gilded full plate movement, Massey-type lever escapement, bimetallic compensation balance, spiral spring with double overcoil, ruby endstone, signed Charles Cummins, London.
Gold dial, satin-finished, Roman numerals, outer pearled minute ring against a stippled ground, subsidiary seconds with engine-turned chapter ring, blued steel moon hands, signed Cummins, London.
Gold case, the back centered with the crest of an eagle’s head above a cross moline, amidst ‘C’ scrolls and scrolling foliage, milled band, plain gold cuvette with winding aperture, with maker’s mark GH within oval cameo for Gustavus Huguenin
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Diameter: 48 mm
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Signed: Charles Cummins London
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This watch is of similar size to Charles Cummins’ no. 1210. In this watch, Cummins has used the same case maker and the same movement ébauche as that of no. 1210, however, unlike no. 1210, Charles Cummins has fitted this watch with a Massey-type lever escapement according to his father’s design.