Concerning battery drain when the watch is not paired to phone (NOT DURING ACTIVITY)

i want to report a concerning issue with battery, i owned my venu sq2 for around 3 months now , i noticed that sometimes the battery drains very quickly around 10% each hour  keep in mind this is while not during activity , which is really concerning  this means i will have  around 10h of battery life instead of 10 days (i usually get around 6-8 days), i discovered the source of this issue (well at a least a very possible theorie in my case ), sometimes the watch doesnt find the phone and keeps looking for it (in control panel (flashing bluetooth symbol)  this constante looking for pair apparently  sometimes the bluetooth in the watch bugs and even if you enter the app and try to pair  you are not able to to do so (until you restart your watch), i hope i get a concrete solution to this issue.