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M00004052
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ISO 10552:1999
Timekeeping instruments -- Crowns and sealed tubes -- Designs and dimensionsstandard by International Organization for Standardization, 04/01/1999
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This International Standard specifies designs and dimensions of crowns and sealed tubes and their tolerances.
This International Standard is applicable to crowns and sealed tubes of mechanical, electromechanical and electronic wristwatches of water-resistant designs.