Patek Philippe Nautilus Perpetual Calendar 5740/1G-001

Patek Philippe Nautilus Perpetual Calendar 5740/1G-001. White gold 40mm diameter case, 8.42mm thickness, with screw-down crown and sapphire crystal case back. Water resistant to 60 metres (6 bar). Self-winding Caliber 240 Q manufacture movement with 22K gold micro-rotor, offering day, date, month, leap year cycle, 24 hour indication by subdial, and moon phase display. Operating at 21,600 vph (3 Hz), with Gyromax® balance and Spiromax® balance spring, the movement spans 275 components, 27 jewels, and offers 48 hour power reserve. Fixed octagonal bezel in 18K white gold; horizontally embossed sunburst blue dial with applied white gold baton hour markers and hands treated with luminesce coating. Calendar layout features: Day of the week, 24 hour subdial at 9 o’clock, Month, leap year indicator at 3 o’clock, Date and moonphase at 6 o’clock. 18K white gold bracelet with brushed outer and polished center links, fold over clasp. Box and papers dated March 2023.