Tag: COSC

  • COSC Introduces New Excellence Chronometer Standard

    COSC Introduces New Excellence Chronometer Standard

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    by

    Blake Buettner
    in

    The Contrôle Officiel Suisse des Chronomètres (COSC) has announced their intention to introduce a new testing standard for the industry this year that will live alongside the original ISO 3159 Certified Chronometer standard that was established in 1976. The new standard will be called ‘Excellency Chronometer’ and not only will it tighten accuracy tolerances, it…