Movement
Cloned 2121
Copies the AP/JLC 2121 (extra-thin)
- Type
- automatic
- Power reserve
- 40 hours
- Beat rate
- 19,800 vph
- Jewels
- 36
How reliable is it?
Ultra-thin auto for the Royal Oak Jumbo 15202; thinness is the engineering challenge.
How to spot it
Visible through sapphire; rotor and bridge finishing scrutinized by collectors.