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English[en]
IWC is involved in the development of the Beta 21 quartz movement, a wristwatch calibre with quartz control (frequency 8192 hertz). It marks a watch-making revolution.
Korean[ko]
IWC가 쿼츠 제어(진동수 8,192 Hz)를 장착한 손목시계용 칼리버, 쿼츠 무브먼트 베타 21(Beta 21) 개발에 참여하여 워치메이킹의 혁명을 달성합니다.

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