Sandstone
Garmin Forerunner 645 GPS Watch
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Shop similar productsRunning is more than just exercise. It's a performance. With advanced monitoring tools and contactless payments, the Garmin Forerunner 645 GPS watch lets you put on an outstanding show on every run.
- Garmin Pay™ contactless payment solution lets you make convenient payments with your watch, so you can leave your cash and cards at home
- Wrist-based heart-rate monitoring helps you monitor your exertion levels and refine your training
- Tracks speed, distance, steps and calories burned, as well as advanced running dynamics including ground contact time, balance, stride length, vertical ratio and more
- Connected features include smart notifications, automatic uploads to Garmin Connect™ and the ability for others to track your runs with the LiveTrack feature
- Customize with free watch faces, apps and more from the Garmin Connect IQ™ store
- Battery life: up to 7 days in smartwatch mode; 12 hrs. in GPS mode
Imported.
View the Garmin Forerunner Product LineView all Garmin GPS Sports WatchesBest Use Running
Average Battery Life Smartwatch mode: 7 days; GPS mode: 12 hrs.
Battery Type Lithium Ion
Display Size 1.2 inches
Illumination Backlight
Altimeter Pressure-based
Compass Yes
GPS/Satellite Detectable Yes
HRM Included/Integrated Yes
Heart Rate Sensor Type Wrist-based
Average Heart Rate Yes
Heart Rate Target Zone(s) Yes
VO2 Max Estimate Yes
Recovery Advising Yes
Tracks Steps Yes
Pedometer Type Digital 3-axis Accelerometer
Pace Alert Yes
Interval Training Yes
Tracks Calories Burned Yes
Water-Resistant Depth 50 meters
Pool Lap Recognition Yes
Stroke Recognition Yes
Sleep Tracking Yes
Alarm Yes
Time Display Yes
Stopwatch Yes
Customization Apps
Watch Faces
Smart Device Notifications Yes
Gender Unisex
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