...and BUTTONS! Pebble's capabilities are excellent b/c the UX of a ~1.5" screen is wildly different than that of an iPhone. Up/Down/Forward/Backwards and the occasional long-press is an excellent match for on-the-go interaction.
I absolutely hated brushing the iWatch screen and triggering random crap and there was no other way to interact with it! Garmin's w/ 5 buttons and transflective (sunlight-readable) displays have been the closest alternative, and they have a pretty cool "touch-screen alt mode" which you can access via press+hold on two of the diagonal buttons to enable/disable (or automatically starts if you open up the "maps" app for dragging it around).
Long battery, sunlight readable, buttons.