COSC: Revision history

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18 May 2025

  • curprev 11:1711:17, 18 May 2025 imported>GreenBalaclavaMan 22,933 bytes +22,933 Added a source for an uncited claim, that the COSC certifies the quality of a watch. The source I found is the official COSC website, which states the same claim. It can be found under the "What does the COSC represent or a watch?" Heading. "The COSC is a guarantor of high precision and quality for a watch".