Swiss St. Christopher coin with a concealed keyless watch Circa 1960

Gold coin with a concealed keyless watch
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A very fine and rare, heavy 18 carat gold St. Christopher coin with a concealed keyless watch. Made by Movado in Switzerland Circa 1960. Two body case on each side with a cast and chased St. Christopher medallion, a reeded band with a concealed catch to release the cover and three body hinged inner case with polished bezel.
Matte silver dial with applied yellow gold indexes and Arabic numerals, outer engraved dot minute indexes and yellow gold alpha hands. Movement with 15 jewels, straight line lever escapement, monometallic balance, self compensating flat balance spring and an index regulator.
Dial, inner case and movement signed.
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Diameter: 35 mm
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Thickness: 9 mm
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Signed: Movado