Swiss silver keyless lever poor man’s tourbillon watch Circa 1890

Silver open faced lever watch by Mobilis
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A Swiss silver open faced keyless lever tourbillon pocket watch, circa 1890. This watch features a full plate nickel finished, jewelled lever movement. The front has a silver engine turned design with a small off center silvered dial with Arabic hour numerals, outer minute divisions, Arabic five minute numerals and spade hands. It also has a visible tourbillon with an engraved balance bridge. The case is also engine turned with plain bezels and a hinged back. The movement is signed and the case is numbered.
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Diameter: 53 mm
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Signed: Mobilis
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The movement is functioning properly. The dial shows discolouration and minor spotting. The plate surrounding the dial and tourbillon is tarnished with slight wear. The case features a sharply defined engine turned back, though the silver is tarnished overall.