Does Amazfit GTS 2 mini support customized watch face?

Yes. Awakening the watch, long press on the watch interface to enter the watch face selection page.

Slide left and right to preview the available watch face. The edit button will be displayed at the bottom of watch face if it supports setting the components.

Select the component to to edit, click the component then slide the screen up or down to replace the component;

After editing, press the side key to complete editing and enable this watch face.