A Universal Genève Unisonic, besides the Citizen Hisonic the only Tuning fork watch with the Bulova 2181 movement. Universal Caliber 1-51, sorry, its in a Bulova Case, case nr.: J889674, Signed front: ”Bulova, Accutron”, back: “Bulova, N3, 10 Kt. Rolled Gold Plate back,10 Kt Gold Electroplate Bezel, J889674, engraved: Paul C. Hess”, inside: ”15 Fifteen Jewels, 1-51, Universal Geneve, unadjusted”
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