I've been sleeping on the watch's PCB design, and over the past few days, have been fixing little errors here and there in the routing. I connected the output of the battery charger to ground, oops, which would have made it go up in flames. Ok, not a tiny error. That would have been awkward, a finished smart watch, plug it in to charge, boom. Not good. Anyway, it all looks good now, but I'll give it a few more days just in case. Here's the latest: