The Jacob & Co. Astronomia Clarity White Gold Tourbillon (Ref. AT120.30.AD.SD.CBALA) is a limited edition timepiece that showcases the brand's commitment to horological artistry. Encased in a 50mm white gold case, this watch features a manual-winding movement with a 60-hour power reserve and a tourbillon complication. The skeletonized dial offers a captivating view of the intricate movement, while the blue alligator leather strap adds a touch of elegance. This exclusive model is limited to just nine pieces, making it a rare collector's item.