Garmin Forerunner 645 Music Multisport GPS Watch

Garmin Ltd.

$341.61 $359.59



Running is more than just exercise – it’s a performance. And Forerunner 645 Music has the tools to help you put on an outstanding show every time you lace up your shoes. It features on-device music storage – so you can run with your favorite tunes – and contactless payments that let you buy what you need without missing a beat. With all those features plus advanced running dynamics and performance monitoring tools, this GPS running watch is the instrument you need to refine the performance.


  • Easily store and play up to 500 songs on your watch and connect with Bluetooth headphones (sold separately) for phone-free listening
  • Syncs music from select streaming services for offline listening (may require premium subscription by a third-party music provider)
  • Garmin Pay contactless payment solution (available for supported cards from participating banks)
  • Provides advanced running dynamics (HRM sold separately) including stride length, vertical ratio and more
  • Uses estimated wrist-based heart rate to offer performance monitoring features
  • Battery life: up to 7 days in smartwatch mode; 5 hours in GPS mode with music



Features: Silicone (band)

Weight: 42.2 grams

Placement: Wrist

Product Model: Garmin Forerunner 645

Includes: User Manual, Charging Cable

Battery Charge Life: Up to 5 Hours, up to 7 days, Up to 14 Hours

Electronics Features: Water-resistant, text notifications, target zone alarms, music capabilities, multi-sport modes, heart rate sensor, customizable watch faces, changeable bands, call notifications, calendar notifications, built-in GPS, app notifications, alarm notifications, accelerometer

Operating System Compatibility: Windows Mobile, Apple iOS, Android

Connectivity: USB

Wireless Technology: Wi-Fi, Bluetooth

Screen Size: 1.2 inches

Activities tracked: Walking, speed, running, sleep interruptions, floors climbed, elevation climbed, Total Steps, VO2 max, Sleep Duration, Maximum Speed, Heart Rate, Daily Workout Memory, Daily Distance, Continuous Heart Rate, Calories Burned, Average Speed

Material: Stainless Steel, Plastic

Battery: 1 Non-universal Lithium ion, Required, included

Garmin Ltd.


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