Movement
Cloned 240 PS IRM C LU
Copies the Patek 240 PS IRM C LU
- Type
- automatic annual calendar
- Power reserve
- 48 hours
- Beat rate
- 21,600 vph
- Jewels
- 27
How reliable is it?
Nautilus 5712 annual calendar with moonphase + power reserve; most complex Nautilus caliber.
How to spot it
Micro-rotor decoration visible through sapphire.