My Apple Watch has just started losing battery life

My Apple 7 watch has just started losing battery life.. and I’ve paired it up to my iPhone and unpaired it again and repaired it..?

I’ve also checked the software and it seems to be updated to the latest version of the software..

i am lost…

please help me fix my problem with my watch…?

[Re-Titled by Moderator]

Original Title: why does my watch lose power