price:
| 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 |
he first Grand Complication in the Nautilus collection, the Reference 5740/1 Nautilus perpetual calendar, offers a distinctive blend of sports appeal and technical sophistication. Thanks to the famous ultra-thin self-winding caliber 240 Q movement, the case (water resistant to 30 m) is remarkably svelte, making this watch Patek Philippe’s thinnest perpetual calendar. The bracelet is equipped with a new fold-over clasp providing optimized security.
