There are 7 days a week. And the fenix 7S / fenix 7S Solar / fenix 7S Sapphire Solar multisport GPS watch is built to go strong for all of them. It’s styled for smaller-sized wrists. And its Power Glass solar charging lens (Solar versions only) gives it the battery life to sustain a whole array of athletic and outdoor features. Use trusted button controls or the new touchscreen interface to access selections.