Unique French 18K gold miniature lady’s pocket watch Circa 1860

Stone-cased pocket watch by Falize
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An unique, very fine, French, gold/jasper/diamond, miniature lady’s watch with matching original gold/jasper chain, key and seal, circa 1860.
Thin cylinder movement, key winding. Screwed enamel dial with Roman radial hours, outer minutes track, and Breguet steel hands. 18K gold lépine case with a very fine coined band, back with nine jasper (bloodstone) inlays and 24 diamonds, No.3371, and signed dome.
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Diameter: 26 mm
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Weight: 17 g
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Signed: Falize Paris
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This watch is intact and in good condition, matching a very precious 18K gold watch chain, decorated with jasper beads, the T-piece, the original key and the original signet, weight ca. 35 g.
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Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, is an opaque, impure variety of silica, usually red, yellow, brown or green in colour; and rarely blue. The common red colour is due to iron inclusions. Jasper breaks with a smooth surface and is used for ornamentation or as a gemstone. It can be highly polished and is used for items such as vases, seals, and snuff boxes. The specific gravity of jasper is typically 2.5 to 2.9. Jaspillite is a banded-iron-formation rock that often has distinctive bands of jasper.