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Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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Publication date
Application filed by Citizen Watch Co LtdfiledCriticalCitizen Watch Co Ltd
Priority to JP7349975ApriorityCriticalpatent/JPS51149066A/en
Publication of JPS51149066ApublicationCriticalpatent/JPS51149066A/en
PURPOSE: To sharply start and, stop a second-hand and accurately stop it on the graduation by controlling the movement in the thrust direction of a rotor which drives a fourth wheel to which the second-hand is equipped.