You can customize the watch face to suit your various styles. Do you want a numeric or a minimalistic look? Bellman Watch offers a selection of designs to choose from.
If you prefer a dark theme, swipe downwards from the top edge of the screen to open the Quick Panel and tap to change to Dark Mode.
Select Watch Face in the settings list.
The current watch face is fronted in the gallery.
The selected watch face is now featured on your home screen.
Swipe downwards from the top edge of the screen to open the Quick Panel and tap to select the dark version.