Width 19*18mm[Watch Dial Interface Width 19mm, Button Width 18mm]
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Width 20*18mm[Watch Dial Interface Width 20mm, Button Width 18mm](Note: The Original Text Is Already in English and Appears to Be A Product Specification, Likely for A Watch. The Dimensions Are Given in Millimeters, Which Is Standard for Such Specifications. No Changes Were Made, Except for Minor Formatting Adjustments for Clarity.)
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Width 21*18mm[Watch Dial Interface Width 21mm, Button Width 18mm]
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Width 22*20mm[Watch Dial Interface Width 22mm, Button Width 20mm]
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