Mingrui watch Caw - Last answer on 31 oct. 2021 1 answer Hello, this message is for anyone who is unable to activate or deactivate the alarm on the Mingrui watch. Go to alarm mode and then press all four buttons at the same time. Show more Related links: Notice shows WR30 M how to set the time Ushuaia watch Notice shows MINGRUI Small issue Digitec WR30M How to disable the hourly chime of a DIGITEC WR30M watch. 1 answer Sorted by descending date Votes Date Descending date Answer 1 / 1 Chacha Super, thank you very much!