The Jacob & Co. Astronomia Tourbillon Zodiac 50 mm (model AT100.40.AC.AB.B) is a limited edition timepiece that showcases the brand's innovative craftsmanship. Encased in 18K rose gold, this watch features a skeleton dial that offers a glimpse into its intricate manual-winding movement. The blue alligator leather strap adds a touch of elegance, complemented by an 18K rose gold folding clasp. With a 50 mm case diameter and water resistance up to 30 meters, this watch combines luxury with functionality. Limited to a select number of pieces, it is a testament to Jacob & Co.'s dedication to horological artistry.