The fenix 6X Multisport GPS Smartwatch from Garmin is the largest fenix 6 and ideal for those that desire a hefty watch with a large screen. It monitors your health, tracks your workouts and exercises, and enhances your daily life with practical day-to-day features. It features an always-on 1.4" color display, up to 21 days of battery life, and a rugged stainless steel construction with thermal, shock, and water-resistance. When it comes to your health, the fenix 6X features wrist-based heart rate and Pulse Ox sensors, and those statistics work in conjunction with the many fitness features of the fenix 6X, giving you better insight into your overall fitness.