• Automatic movement - self-winding mechanism powered by the wearer's motion • Patek Philippe is a luxury Swiss watch manufacturer known for prestige and craftsmanship • Case material typically stainless steel or precious metal (verify upon inspection) • Functions may include hours, minutes, seconds, and date (verify specific functions) • Water resistance rating varies by model (verify specific rating) • Timekeeping accuracy depends on the specific movement and service history • Band material typically leather or metal bracelet (verify material and condition)