A. We would need to reset your watch.
Please note, that if the reset is successful, the watch will be returned to its factory settings and all the data wiped out. You will need to pair/set the watch again from scratch.
Please check out this link for all the details on how to send your watch to us
https://casiouksupport.zendesk.com/hc/en-gb/p/ServicingAndRepairs