Polar's Vantage V2 (£379) is the all-spherical fine going for walks watch you may buy. Alongside the handy optical coronary heart-price sensor and sturdy forty-hour battery lifestyles as the Polar Vantage V it succeeds, Sports & Outdoor 2021 product you presently get a low-energy GPS mode for up to a one hundred-hr battery lifestyles as well as a lighter weight. There’s an advanced aluminium casing and strap too, giving the brand new generation a better overall appearance.