Check out the best-selling men’s smartwatches with Gps, music, push notifications, fitness tracker, etc., at slashed prices on TopOfStyle Citizen began in 1918. It was founded in Tokyo, Japan, where its present headquarters is located. This brand has long-lasting and stylish mechanical watches with either metallic or authentic leather bands. Is your wardrobe missing green? Complete your attire by choosing green Smartwatches.