Astronomical Tourbillon Solar 3D Ruby This Astronomia Tourbillon Solar 3D Ruby returns to the brand's most popular collection. So we find the base of the Astronomia Solar, its central sun, its 3 main arms, its flying tourbillon, its magnesium ball and its sub-dial, which indicates the time of the hour and is always kept in the reading of the dial direction, and everything is spinning. The...