Manual for Smash Brand Watch 05-0407
You need to reset your watch completely and to do that, you have to start from battery.
Extract watch battery completely and leave your watch without energy supply for an hour. This will erase any data kept in watch memory.
Then put the battery back in watch exactly the way it was and reset your watch using your manual.
Unfortunately I can't help with manual as the original is the best you can get.
Don't forget to rate, please.
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