This modern Garmin watch, from the Athlete series in black, features a sapphire lens that provides crystal-clear visibility, perfect for athletes ready to train at any time of the day. The case, made of fused carbon fiber with a titanium back cover, has a diameter of 46 mm and a thickness of 15 mm. Its silicone rubber strap fits wrists ranging from 135 to 213 mm in circumference. The lithium battery provides the watch with up to 16 days of autonomy, and among its many daily smart functions, you'll find a morning report, weather forecast, and control/playback of your music.