Jacob & Co. reimagines time through the Astronomia Sky. Its orbital complications, sidereal display, and sapphire dome capture the very rhythm of the heavens. This is not just haute horology — it’s the transformation of mechanics into a celestial journey, where every detail speaks the language of the stars. 47-mm rose gold case Rotating movement with 20-minute rotation speed Flying triple-axis tourbillon Orbital seconds and earth-shaped day/night indicator Sidereal display with sky map and month