Bulgari has been blazing the technical haute horlogerie stakes for a while. Their Ultra ThinOcto Tourbillon rocked the foundations of the craft with the world’s thinnest tourbillon at only 1,95mm thick. And this Baselworld 2016, they introduced the Octo Répétition Minute, the world’s thinnest minute repeater. We investigate these claims, and also listen to the watch. This is our review and analysis.