Austrian silver large open faced verge watch Circa 1800

Large silver verge watch with a splendid movement
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An Austrian large verge watch with splendid movement, signed J. Hillenbrand in Steinbach, circa. 1800, gilt full plate movement, verge escapement, decoratively pierced and engraved balance cock, richly pierced and engraved plate, very well-kept silver case, probably former with extra tortoiseshell case, very high-quality case, splendid verge movement, stepped cylinder pillars, dial signed and in well-kept condition, probably original hands.
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Diameter: 58 mm
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Weight: 138 g
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Signed: J. Hillenbrand in Steinbach
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Unusual richly pierced and engraved plate with unusual pillars.
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Reference 06000