They are useles pieces of metall, because they have not been finished yet You would need to drill the hole for the CG lever and find a way to attach it to the CG... way too much work, not worth it!
And the dial he is offering also looks like crap IMO. I say anyone who buys this crap to make a watch of it is plain stupid (but as you know, I've always known that Paneristi would even buy a turd-in-a-box if it said Panerai on the box!)