5740/1G – NAUTILUS SELF-WINDING

Blue sunburst, gold applied hour markers with luminescent coating. White gold. Diameter (10-4 o’clock): 40 mm. Height: 8.42 mm. Screw-down crown. Water-resistant to 60 m. Sapphire crystal case back. White gold. Patented fold-over clasp with lockable adjustment system. Perpetual calendar. Day, date, month, leap year and 24-hour indication by hands. Moon phases.
Perpetual calendar. Day, date, month, leap year and 24-hour indication by hands. Moon phases. Diameter: 27.5 mm. Thickness: 3.88 mm. Number of parts: 275. Bridges: 8. Jewels: 27. Power reserve: min. 38 hours, max. 48 hours. 22K gold off-center mini-rotor. Balance: Gyromax®. Vibrations/hour: 21 600 (3 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal. Patent: CH 595 653.