Apple Watch S9 chip joins A16 production at TSMC Arizona

Apple Watch Ultra 2
In addition to the A16 processor for iPhones, TSMC Arizona has picked up a second Apple product. The fab is now producing S9 SiPs (Systems-in-Package) for Apple Watch.
Tim Culpan for Culpium:‎This product is believed to be the S9 SiP (I’ll be honest, I am a little unclear on this, but I’m 99% sure it’s the S9). Recall that TSMC Arizona is manufacturing at N4 (part of the N5-family of process nodes) while the S9 is made in Taiwan at N4 and is a derivation