Produced by TW TW Taiwan Factory Patek Philippe Perpetual Calendar Multifunctional Luxury Watch! Model BJ3 features the 9100 multifunctional imported mechanical movement! Zero return rate quality. The entire case is crafted using an exclusive CNC polishing technique, achieving the same effect as the original craftsmanship, with an even better overall aesthetic! Diameter 41*10mm. The dial features: date, day of the week, month, and true rotation of the moon and stars, combining an elegant aristocratic aura with unparalleled visual enjoyment, mysterious and exquisite, exceptionally refined. The style is complemented by Italian cowhide for a snug and comfortable fit on the wrist, and the watch utilizes an original butterfly folding clasp, elegant and sophisticated. No one truly owns a Patek Philippe; they merely safeguard it for the next generation. The best luxury gift recommendation. Please trust in TW's exclusive quality.