Patek Philippe, model: 4936J-001, Complex Function Timepiece Series • Appearance material: The case is made of 18K gold, with a diameter of 37 millimeters and a thickness of 10.8 millimeters. The dial is made of silver-white mother-of-pearl and is paired with gold three-dimensional Roman numeral hour markers. • Movement performance: Equipped with Cal.324 S QA LU automatic mechanical movement, with a frequency of 28,800 vibrations per hour and a power reserve of 45 hours. • Watch function: It has a date display.