Very fine Swiss silver chronograph with register Circa 1900

Silver lever chronograph by Longines
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A very fine Swiss silver open faced chronograph pocket watch with register, Antimagnetique, circa 1900. Gilt precision lever movement, intermediate wheel chronograph. Cuvette inscribed with medals and Chronographe Anti-Magnetique. White enamel dial with two outer chronograph registers, marked in red and blue, 30-minute register and blued steel hands. Solid, plain case, 900 silver. Dial, cuvette and movement signed, case numbered.
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Diameter: 52 mm
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Weight: 111 g
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Signed: Longines