The latest rumors suggest that Samsung is actually going to build Apple's secret new chip for the Apple Watch. This "secret" chip will be an S1 system-in-package (SiP) and will contain various components built-into Samsung’s design. This includes mobile DRAM, NAND flash, and a few other peripheral chips. Supposedly, Advanced Semiconductor Engineering is providing the SiP modules.
Here's a quote with a few more details,
What do you guys think? Will Apple be able to hit high sell-through numbers with the Apple Watch?