Swiss deck chronometer with detent escapement Circa 1900

Silver open faced case for the Imperial navy
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A rare deck chronometer with pivoted detent escapement for the Imperial Austrian navy – with original mahogany box, circa 1900. Silver case, tiered, engine turned. Silvered dial, radial Roman hours, auxiliary seconds, blued spade hands. 4/5 plate movement, frosted, gilt, gold screw compensation balance.
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Diameter: 57 mm
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Signed: Brüder Klumak Wien
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Weight: 149 g.