In reply to Stichtplate:
I have a slightly different model of this watch . Its not a current model and support for it is limited No more software updates. There is also some flux about what will happen in 18 months time with online support of the app.
It does function basically well, with no problems in the last year. Accuracy is less than the peak that preceeded it.. Battery life is a weak point.
I think I would probably get a current model if I were buying today. Even when I bought it it wasn't £450. It was only about 220 about 2 years ago
Post edited at 20:25