" Oled - Digital v4" is an Oled style watch face and fourth version of "Oled - Digital" watch face with mostly black background that reduces your eye strain which features stunning design and all the necessary information.
" Oled - Digital v4" watch face features:

Date and Time
12/24Hr Mode
Steps and Battery information
Heart Rate Information
High Quality and highly readable design
On pixel ratio is just 8% ie., it reduces battery usage significantly and has less impact on eyes
10 Themes to choose
4 Shortcuts (Calendar, Alarm, Heart Rate, Battery Status) and 2 customizable complications. For reference check screen shots.

Note: This watch face supports all Wear OS devices with API Level 33+