Measure my watch: its accuracy in 40 seconds
Measure my watch
You’ll pick the watch at the end.
Lay it down.
We listen.
We listen.
Place the watch right against the microphone: the small hole at the bottom of the phone, near the charging port. 40 quiet seconds and you know how many seconds a day it gains or loses.
More accurate on your phone
Scan this code: the tool opens on your phone, ready to listen.