Sector SMART S-04 Manual De Instrucciones página 20

16. Stop Watch
Click the stopwatch to enter the stopwatch interface, then click
the red button to pause / start the stopwatch and the grey button
to reset it.
17. Find Phone
When connected with the APP, click the FIND PHONE function ->
the smartwatch will starting vibrating for couple of seconds.
18. Settings
18.1 Watch Faces: You can choose among different watchfaces