In the box
- Forerunner 645 Music
- Charging/data cable
GPS running watch with music and Garmin Pay ready
- Easily download up to 500 songs to your watch, and connect with Bluetooth® headphones (sold separately) for phone-free listening
- Syncs music from Deezer (coming soon) for offline listening7
- Includes the Garmin Pay™ Ready contactless payment method1 that lets you make convenient payments with your watch, so you can leave your cash and cards at home
- Provides advanced running dynamics2 including ground contact time balance, stride length, vertical ratio and more
- Uses wrist-based heart rate3 to offer performance monitoring features, including evaluating your current training status
- Battery life5: up to 7 days in smartwatch mode; 5 hours in GPS mode
With up to 500 songs worth of music storage built right into your watch, we’re putting the “beat” in your daily mission to beat yesterday. It’s easy to transfer music from your computer and then queue up your favourite playlist for easy listening through Bluetooth headphones.
Paying made easy
Always on the run? Feel free to leave your phone and wallet behind. Forerunner 645 Music features the Garmin Pay Ready contactless payment method1, which lets you pay for purchases with your watch.
Tune up your training
We’re making it easier to get the data you need to improve your form. Let Forerunner 645 Music measure crucial running metrics2 that you can use to analyse your performance.
Monitor your performance
Just how effective is your current training plan? Forerunner 645 Music will help you monitor your training and recovery so you can better prepare for a race or training cycle.
More ways to customise
Check out our Connect IQ™ store, where you can add personality to Forerunner 645 Music by downloading apps, widgets, watch faces and more. It’s easy and even better, it’s free. New apps are added every day, so you can keep tabs on when your Uber is arriving, turn on your lights at home with the SmartThings app, and even use the AccuWeather MinuteCast app to find out when the rain will start. With the Face It™ watch face app, choose any image from your photo library, make some tweaks, and set it as your watch’s face.
Stay connected on the run
Forerunner 645 Music makes it easy to run without leaving important smart features behind. Once paired with your compatible smartphone you’ll be able to receive and respond6 to text messages and see social media updates, emails and more right on your wrist. You can even use it to find your phone. Or access music controls. And let friends LiveTrack your runs.
Share and compete
Syncing your activities to Garmin Connect is for more than just storing your data. Garmin Connect is a thriving online community where people on the go can connect and compete by joining challenges, encourage each other’s successes and even share their triumphs via social media. Garmin Connect is free and available on the web or on your smartphone with the Garmin Connect™ Mobile app.
Train your way
Your routine is anything but routine. Forerunner 645 Music lets you change things up with ease, thanks to built-in activity profiles for running (indoor/outdoor), cycling (indoor/outdoor), swimming (pool), elliptical, paddle sports, strength training and many more. Create your own custom workouts, and download for free from our Garmin Connect online fitness community. Then review your past efforts on the app, or share them with family and friends for added motivation.
Love the Look
Feel free to take this watch outside in all kinds of weather. Not only is it safe for swimming and showering, its Garmin Chroma Display™ is easy to read even in direct sunlight.
42.5 x 42.5 x 13.5mm
240 x 240 pixels
Smartwatch mode: Up to 7 days
GPS mode without music: Up to 14 hours
GPS mode with music: Up to 5 hours
Daily Smart Features
Plays and controls watch music
Compatible with Garmin connect mobile
Find my phone feature
Garmin elevate wrist heart rate monitor
Activity Tracking Features
Heart Rate Features
% HR max
Auto max HR