The Jacob & Co. Astronomia Tourbillon Five Minute Limited Edition (Model AT810.40.BD.BD.A) is a masterpiece of horological engineering, featuring a 50mm rose gold case that houses a manual-winding tourbillon movement. The skeletonized design offers a captivating view of its intricate mechanics, while the alligator leather strap ensures a comfortable fit. This limited edition timepiece is a testament to Jacob & Co.'s commitment to precision and luxury.