Wear Bank Codes (pl.tajchert.wearbank.codes) on Google Play
Just specify number of your bank, enter what word is before confirmation code, what is after it (if so) and save. Next time you will receive text from that number part between those two words will be displayed.To use that app you need Android Wear deviceCode is here: https://github.com/tajchert/WearBankCodeAlso your data is safe as app doesn't have rights to send it anywhere.