Contrôle Officiel Suisse des Chronomètres (COSC) is the largest Swiss independent testing facility for watch movements. Founded in 1973, this non-profit foundation aims to guarantee the precision of Swiss watches
Archive for Feb 17, 2026
2Articles
BY JOVAN K Let’s be honest, Tiffany & Co. isn’t the first name that pops up when you’re talking to your watch nerd friends about high-end chronographs. Most people think of
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network of watch sites
