On October 30, 2025 I was among the first small group of watch journalists visiting the Valleé de Joux, more specifically the Blancpain farmhouse in Le Brassus, for the presentation of a new creation. Greeted by Marc A. Hayek and other senior representatives of Blancpain we were eager to find out more, but little did we know that we were about to see a milestone in watch making, artisan craft and innovation. This was not the presentation of a new watch, it was an exceptional horological experience. So let me now take you on the journey of exploring the Blancpain Grande Double Sonnerie reference 15GSQ for yourself.













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