Customize the dial on the watch: 1. Press the number dial to go to the dial. Press and hold the display. 2. Push left or right to select a dial, and then tap Edit. 3. Slide left or right to select a function, and then turn the digital crown to make changes. For example, you can change the color of the second hand or the mark on the dial. 4. Slide left to the far left to edit complex functions. You can use complex functions to view the weather, your fitness records or information in other installed applications. Tap a complex function to select it, then turn the digital crown to change it. 5. When finished, save your changes according to the digital table. Tap the dial to set it as the current dial.

Apple Watch is a smart watch owned by Apple. It uses artificial sapphire crystal screen and Force Touch touch technology, and combines motion tracking and health-related functions, which can be integrated with iOS and other Apple products and services.