Bumping your smartwatch against mountain rocks on mountain tops? Brushing it against sharp-edged corals at the bottom of the sea? Or hitting it against dripstones in underground caves? No worries. This ultra-scratch-resistant screen protector from PanzerGlass protects your smartwatch from the hazards of an adventurous-and-not-so-ordinary-life. It even has a smudge-free coating that reduces traces of fingerprints and dirt.