A:AnswerYes, Nike version has three different watch faces that the regular in does not come with and also a built in app on the Nike version one for athletes and people that run. I would get the Nike version just because it comes with more stuff. Specs are the same on both models.
A:AnswerIt does not stretch in the sense that it is one size you can just adjust it to your wrist because it can be closed via Velcro at any point. I like it