Garmin Forerunner 245 GPS Running Smartwatch (Slate Gray)

Model: 010-02120-00

Garmin Warranty
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Splash Proof Yes
Water Resistance Depth 5 ATM (Pressure Equivalent to 164.04' / 50 m)
Material Polymer, Silicone


Sensors Accelerometer, Compass, Optical Heart Rate, Pulse Oximeter (Sp02)
OS Compatibility AndroidiOS


Memory Retention 200 Hours (Activity Data)


Weight 1.4 oz / 38.5 g
Dimensions 1.67 x 1.67 x 0.48" / 42.3 x 42.3 x 12.2 mm


Display Type MIP LCD
Watch Crystal Material Corning Gorilla Glass 3
Display Size 1.2" / 30.5 mm
Pixel Density 283 ppi
Screen Resolution 240 x 240


Global Positioning GPS, GLONASS, Galileo
Wireless Connectivity BluetoothANT+


Estimated Battery Life 7 Days (Smartwatch Mode)24 Hours (GPS On)


Band Circumference 5 to 8" / 127 to 204 mm
Band Material Silicone
Expert Reviews
Pc magazine.34972991
30 July 2019

The Garmin Forerunner 245 Music provides excellent fitness tracking accuracy and a plethora of metrics to help runners continuously improve performance.

  • +

    Highly accurate fitness tracking and heart rate monitoring. Long battery life. Onboard music storage.

  • -

    Pricey. No barometric altimeter or gyroscope. Steep learning curve.

User Reviews
31 July 2019

Overall good watch. However, it lacks a barometric altimeter so elevations are not truly accurate and it does not track flights of stairs.

Product Highlights
  • Training Status Monitoring
  • Up to 7-Day Battery Life in Watch Mode
  • Up to 24-Hour Battery Life in GPS Mode
  • VO2 Max Monitoring and Pulse Ox Sensor
  • Sleep and Stress Tracking
  • Garmin Connect and Garmin Coach
  • Manual and Automatic Safety Tracking
  • Receive Texts, Emails, and Social Alerts
Average Expert Score
Average User Score
In The Box
  • Garmin Forerunner 245 GPS Running Smartwatch (Slate Gray)
  • Charge/Data Cable
  • Limited 1-Year Warranty
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