Horological organizations

thumb|260px|Baselworld outside view thumb|The building of Messe Basel, designed by Herzog & de Meuron Baselworld Watch and Jewellery Show was a global trade show of the international watch, jewellery and gem industry, organized each spring in the city of Basel, Switzerland, at the Messeplatz.

Swiss trade association

thumb|right|Contrôle officiel suisse des Chronomètres The Contrôle officiel suisse des Chronomètres (COSC), the Official Swiss Chronometer Testing Institute, is the institute responsible for certifying the accuracy and precision of Swiss watches.

representative body of the horological industry in the United Kingdom