https://www.richardmille.com/collections/rm-up-01-manual-winding-ultraflat-ferrari

 

Post pictures

yeah it’s insane.

 

and only $1.8m (or $1.9m quoted in some places)

 

I can only imagine the craftsmanship that went into the box….

 

bonkers.

 

Also as discussed here

https://omegaforums.net/threads/i-was-looking-for-a-watch-under-2mm.147783/