They feature various previously unknown details about the watch, for example that the two sizes have different display resolutions, 340px and 390px respectively.
It's particularly interesting to see which UI elements has made it to the small screen of the apple watch. Not much else than switches, buttons and sliders are featured in the guidelines. Looking forward to see what developers eventually will come up with for these devices.
They feature various previously unknown details about the watch, for example that the two sizes have different display resolutions, 340px and 390px respectively.