Hear your watch.
Place the microphone near the caseback.
Keep the watch and phone still.
Advanced settings
These controls can help when automatic detection cannot lock.
Beat rate
Mic audio checkRecord a short clip to check microphone pickup
AutomaticDial up
A clear beat.
Keep both still. We’re measuring.
Ready when you are
0 accepted beats
Preliminary daily rate
—s/day
An estimate appears after a consistent signal is found.
Timing diagram Beat rate unknown
28,800 bphDial up
Your timing estimate.
—seconds / day
Phone estimate. Compare repeated tests.
Valid measurement—
Signal—
Beat error · experimental—
Phone estimate. Compare repeated tests.
Timing diagram
Your history.
No results saved yet. Complete a measurement and save it to start a record.
Position summary
No saved positions yet
Dial up—
Dial down—
Crown up—
Crown down—
Crown left—
Crown right—