The SECTORA AUTOMATIC model combines innovation with tradition. Its exclusive Swiss made automatically-wound mechanical movement, visible through the transparent case back, is the only one in the world which displays time in a 120° angle. It is a unique watch, highly sought after by collectors of rare objects.

https://grail-watch.com/2020/04/08/retrograde-retrospective-a-history-of-the-le-phare-sectora-and-quarta/