I've been looking on Amazon lately, and I have seen loads of smart watches for Android selling for approx £13-30. The question is, are they any good?
www.amazon.co.uk/gp/product/B00ZTFE9YO/?tag=ho01f-21
www.amazon.co.uk/dp/B00KARD0D2/ref=noref?_encoding=UTF8&psc=1&s=electronics