The Garmin 645 Music still stands as of September, 2018 as one of the best Smart watches on the market. Garmin offer the Smart watch for as low as $450. Don't miss out on your 645 Music, buy it now before it sells out.
That's not it though, Garmin also offer Fenix 5x Plus, Vivofit 4, Vivosmart 3, Vivosmart HR Plus, Vivosport, at fantastic prices. Compare them here.