Unusual French nickel open faced pocket watch Circa 1800

Nickel verge with multi-coloured dial
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Extravagant French nickel open faced verge pocket watch with multicoloured 60-second dial and centre seconds, circa 1800. Gilt verge movement. An interesting, multicoloured enamel dial with an external 60-second-scale and decentralized time display, centre seconds, a double eagle with a crown in the upper part, a motto underneath Il est l’heur de faire le bien (it’s time to do something good). Plain case.
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Diameter: 53 mm
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Weight: 83 g
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Signed: No name