The Withings Activite Sapphire still stands as of November, 2018 as one of the best Smart watches on the market. Withings offer the Smart watch for as low as $450. Don't miss out on your Activite Sapphire, buy it now before it sells out.
That's not it though, Withings also offer Go, Steel HR, Activite Pop, Activite Steel, Pulse Ox, at fantastic prices. Compare them here.