You can do this with the 2nd generation I think. I'm in the android ecosystem, and have had 2 watches that do this: Moto 360 Sport, and now have Polar M600 th

You can do this with the 2nd generation I think. I'm in the android ecosystem, and have had 2 watches that do this: Moto 360 Sport, and now have Polar M600 that can store music (from Google Play), and which allows running without a phone.