Interface, Interaction and User Experience Design Simple Code IV Smartwatch Face by Pan Yong The Simple Code IV is a striking blend of minimalism and exoticism. The use of a vibrant accent colour against a neutral background adds a touch of excitement to the design, effortlessly capturing the user's attention. The unique layout, which forms a spiral shape by connecting the day mark and the time index, creates a fresh and exotic look for the watch, enhancing the user experience in a distinctive way.