It is about a square inch! The size of US quarter! Why? @Justin keeps on bugging me about a tiny 100BGA SITCore chip for his watch but then if we are going to offer such chip, we have to also put it to other good uses. And then this idea was born! SC20100 with Ethernet PHY on a single super tiny module!
So, if you like what you see, thank @Justin for the constant nagging