Swiss pair agate pocket watches with lever escapements Circa 1930

Pair of rare watches with agate cases
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A pair of rare pocket watches with agate cases, made by Zenith in le Locle, Switzerland, circa 1930. The cases of these watches are made of black and white and red and white agate and their white enamel dials have Roman hour numerals and gold hands (red agate case) and Arabic hour numerals and blackm steel hands (blue agate case) and both have a subsidiary seconds dial at 6 o’clock. Both numbered movements have a fine Zenith lever escapement.
The dials and movements are signed.
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Diameter: 48 mm
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Weight: 50 g
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Signed: Zenith
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Zenith produced these special pocket watches in the 1930’s exclusively in the black or red version, but some dials are marked ‘Chronomètre’.