Just came across this app
"Watch Accuracy Meter" on Android
https://play.google.com/store/apps/details?id=com.watchaccuracymeter.app
Not sure how accurate it is but the reviews seem to be very good.
Very easy to use. Just tried it on the watch I was wearing at the time and it does seem to reflect what I've noticed over the last couple of days.
https://youtu.be/SXkULOWhaLY
Sharing as it may benefit others too
Sent from my SM-G9910 using Tapatalk
"Watch Accuracy Meter" on Android
https://play.google.com/store/apps/details?id=com.watchaccuracymeter.app
Not sure how accurate it is but the reviews seem to be very good.
Very easy to use. Just tried it on the watch I was wearing at the time and it does seem to reflect what I've noticed over the last couple of days.
https://youtu.be/SXkULOWhaLY
Sharing as it may benefit others too
Sent from my SM-G9910 using Tapatalk