[CUSTOMIZE] For customization of watchface, touch and hold the screen and touch on [Coustomize] button.
[How to use 24-hour format] If you want to change the time format, you can set it in the path below on the phone connected to the watch. *The connected phone - Settings - General management - Date and time - Use 24-hour format. If checked, the watch will also be in 24-hour format, and if unchecked, the watch will be in 12-hour format.
[The DARKNESS of the AOD screen] In the Customize section, 'AOD Dim' adjusts the darkness of all the AOD screen.