This is a free Android Wear Watch Face using an original pixel art of mountains. It's compatible with square and round Android Wear devices. Also it's free and tells you the time, assuming you can read an analog watch face. If you cannot read an analog watch face, then it's just a pretty background and you should also download it because its free and pretty. Everyone likes pretty things!

Instructions:

Via phone/tablet: Open the “Android Wear” app, tap the “More” button in the watchface section, and select the "Pixel Analog" watch face

Via watch: Long press your watch face and select the "Pixel Analog" watch face