American 14K gold lever with four gold nuances Circa 1918

Gold full hunter cased watch with subsidiary dial
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An 14 carat gold, multicolored case with four gold nuances, splendid engraving, excellent quality, circa 1918.
All three lids solid gold, big lateral hinge, American anker chronometer movement with twenty one jewels, stripe decoration, screwed gold chatons, fine adjusting device, solid gold minute wheel, adjusted in five positions.
Original enamel dial in perfect condition, red minutes, blued steel hands, nearly like new, rarity.
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Diameter: 52 mm
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Weight: 114 g
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Signed:  Hamilton