What is more waterpoof

[Kawar]

What is more waterpoof

out of the 3 things on this list

mi band 4

mi watch

oppo watch

why i ask is i swim and wear my watch in the shower. so i want to know honestly will the other do hold up as well as the mi band did.

been in salt water pull fresh water and many other things and it still works like the day i got it

 

[B. Diddy]

I moved this to the Smartwatches (Non Wear OS) forum for more specific traffic.