A:AnswerI always spend the money to protect my devices so I got this for the Apple watch. It would not stick and got messed up and ended up in the garbage. I know three people with Apple watches and none had protectors. Not one problem with scratches or damage so it really does not seem necessary. Save your money.
A:AnswerIWatch 2 only shows your heart rates which may help you, but is not a BP monitor. I guess if you knew the normal relationship of your BP to heart rate it might give some notice to you.