Jacob & Co. Astronomia Solar Watch hands-on Some people may not immediately associate Jacob & Co. with Haute Horlogerie, but this does not change the fact that the brand is responsible for producing some of the most outrageous, boldest and even the most expensive watches you can buy today. . Just take a look at their Grand Complication masterpieces and you will find otherworldly watches, such as the twin-turbo twin tri-axis tourbillon minute repeater and the Epic SF24 flying tourbillon. However, the mainstay of Jacob & Co.'s Grand Complication Masterpieces must be Astronomia, which has produced many different versions, such as Clarity & Black watches. The newest one is called Jacob & Co. Astronomia Solar, and we will introduce it today.