Facer icon doesn't appear in my sony smart watch 3

after several retsarts facer icon doesn’t appear in my sony smart watch 3
wear version 1.5.0.3508863
running on Huawei mate 8 android nougat 7.0

I had the same problem with my SWR50 after I disconnected my watch from my phone (applied factory settings).
I don’t know what the answer is, but the next day it was back there.