The Jacob & Co. Jean Rose Gold watch (reference BU100.40.AA.AA.A) is a luxurious timepiece that combines elegance with advanced horology. Its 41.55mm round case is crafted from 18K rose gold, housing a manual-winding movement with a 48-hour power reserve. The white dial features Arabic numerals and a chronograph function, all protected by a sapphire crystal. The watch is secured with an alligator leather strap and a folding buckle, offering both style and comfort. Limited in production, this watch is a testament to Jacob & Co.'s commitment to exceptional craftsmanship.