The Suunto 3 Watch is a lightweight but durable sports watch that offers adaptive training guidance. The watch offers personalized adaptive training guidance and holistic 24/7 activity tracking including step count, sleep quality, stress, and recovery. It also has optical heart rate on the wrist for in workout and 24/7 heart rate tracking Lightly used, slight tarnish on the face of the watch shown. Similar to: Garmin, Oura Ring, Whoop