This vintage Patek Philippe Chronograph Perpetual Calendar Ref. 3970J is a timeless masterpiece from the Fourth Series, produced in 2003. Encased in 18k yellow gold, this watch features a hand-wound mechanical movement (Caliber CH 27-70 Q), offering exceptional precision and craftsmanship. Technical highlights include a perpetual calendar with day, date, month, moon phase, and leap year indicators, along with a chronograph function. The 36mm case is complemented by a sapphire crystal case back, showcasing the intricate movement, and a classic alligator leather strap with a matching 18k gold clasp. This full set includes the original box, papers, and accompanying accessories, ensuring authenticity and unparalleled value for collectors.
