Representative Model: Astronomia Tourbillon Black Gold: This watch’s four-arm vertical movement is a testament to creativity and technological achievement in watchmaking. Each arm features Jacob & Co.’s exclusive complications, including a magnesium and hand-lacquered globe, 288-faceted “Jacob-cut” spherical diamonds, a patented three-axis tourbillon, and a dial with a patented differential gear system. Its tourbillon cage is exquisitely decorated, enclosing key components such as the balance wheel, hairspring, and escapement wheel. It rotates simultaneously on three axes, with the first axis completing one rotation in 60 seconds, and offering a 60-hour power reserve. <p>Breitling Endurance Pro replica watches</p>