Calibre 35110

Hi,
I am new owner of IWC Mark XVI.Recently I noticed that new Portofino Automatic has movement Calibre 35110.Could somebody explain to me what is the difference between Calibre 30110 and 35110.
Thank You
Slawek

35110 =SW200
30110=ETA2892-2
35110 so many faults

PS:35110 SW300

If the 35110 is a Sellita SW300, I wonder if this movement is the standard SW300, or if IWC made some changes to the movement, like they improved on the ETA 2982 movement to get the 30110. The Sellita SW300 is a high end movement in itself, Sellita is eager to adapt to the wishes of the clients, it would be interesting to learn a bit more about this movement.

Kind regards,
Paul, wearing rose gold VC Portuguese

Thank You for respond
Best regards
Slawek

So are they buying SW300 as a eubache or a complete assembled movement? If they are buying a eubache, are they modifying it the way they used to 2892 before 2007? If they are not, is Sellita modifying SW300 in any way for them like ETA has been since 2007?

By coincidence (trying to find an actual picture of this cal.) I've found this:

"Now, what does IWC do with this calibre, and why do they treat it as if it were their own movement? The explanation is pretty simple: IWC purchases the best serial engine and undertakes on that basis the best possible engine tuning. You could say that IWC does what AMG does with Mercedes engines, Alpina with BMW or Abt with VW or Audi engines. Serial engines are used, which in turn are tuned and optimized with the best experience available."

Full article translation can be found here: www.iwcforum.com/Uhrenjournal.html