This watch face is an Digital WatchFace.
The WatchFace has a battery, a staps counter, and a heartrate measurement.
This watch face corresponds to the SamWatch Digital lineup.
*This item contains Support Application for smartphones.
*Support Wear OS Device
*The heart rate data is not interlocked with other apps, and when you click the measurement button on the watchface, it is measured.
https://play.google.com/store/apps/details?id=com.watchfacestudio.samwatch_digital_e_2023