Garmin Forerunner 55 GPS Running Watch Description: The Garmin Forerunner 55 Running Watch takes a step beyond just pace and heart rate statistics. With advanced wellness tracking to help you tune into your fitness, the Forerunner 55 features all-day respiration monitoring, intensity minutes, and fitness age. The Forerunner 55 offers HIIT (High-intensity interval training) and breathwork activity profiles to shake up your training with something a little different. With up to 2 weeks of battery life in smartwatch mode or 20 hours in GPS mode, this device is ready for the longest challenges. Features: Easy-to-use running watch monitors heart rate (this is not a medical device) at the wrist and uses GPS to track how far, how fast and where you've run Take the guesswork out of training with suggested workouts of varying intensities based on your training history, fitness level and recovery time Plan your race day strategy with the PacePro(TM) feature (not compatible with on-device courses), which offers GPS-based pace guidance for a selected course or distance Run your best with helpful training tools, including race time predictions and finish time estimates Track all the ways you move with built-in activity profiles for running, cycling, track run, virtual run, pool swim, Pilates, HIIT, breathwork and more Tune in to your body with advanced wellness features, such as intensity minutes, fitness age, all-day respiration and more Customize your watch with free watch faces, data fields, apps and widgets from the Connect IQ(TM) Store (requires Garmin Connect(TM) app and Connect IQ(TM) app loaded on a compatible smartphone) Specifications: Lens Material: Chemically strengthened glass Strap Material: Silicone Physical Size: 42 x 42 x 11.6 mm Wrist Circumference: 135 - 205mm Display Size: 1.04" (26.3 mm) diameter Display Type: Sunlight-visible, transreflective memory-in-pixel (MIP) Display Resolution: 208 x 208 pixels Touchscreen: No Color Display: Yes Weight: 49g Battery Life: Smartwatch mode: Up to 14 days; GPS mode: Up to ...