Garmin Forerunner 645 Music


Experience the ultimate motivation with the Garmin Forerunner 645 Music – the smartwatch packed with music, GPS tracking, and more.


Garmin Forerunner 645 Music: The Perfect Smartwatch for Fitness Enthusiasts

Garmin Forerunner 645 Music, a flagship smartwatch from Garmin, has been specifically designed for fitness enthusiasts. This smartwatch comes with a host of features aimed at making fitness tracking a breeze for runners, cyclists, swimmers, and triathletes.

Design and Display

The watch is designed with a round face and a metal body, which gives it a premium look that is conducive to all-day wear. The display is a 1.2-inch display with a resolution of 240×240 pixels that provides excellent visibility, even in sunlight.

Music Streaming

The Forerunner 645 Music also comes with music streaming, providing the ability to store up to 500 songs on the device. You can connect the watch to a pair of Bluetooth headphones and enjoy music without the need to carry a phone.

Battery Life

The watch has a good battery life that lasts up to 7 days in smartwatch mode and up to 5 hours on GPS with music. This makes it ideal for long-distance runners and for those who prefer not to charge their device every day.

Fitness Features

The Forerunner 645 Music comes loaded with a range of fitness features that help you keep track of your physical activity. These features include GPS, GLONASS, and Galileo, which provide accurate location tracking. Additionally, the watch also has a heart rate monitor that tracks your heart rate throughout the day, which helps you set achievable fitness goals.

Smart Features

The watch also comes with a range of smart features designed to make your life easier. These features include notifications for calls, texts, and social media, contactless payments, and the ability to download custom watch faces and apps from the Garmin Connect IQ store.

Overall, the Garmin Forerunner 645 Music is an excellent smartwatch for fitness enthusiasts who desire a premium look, accurate tracking, and the convenience of music streaming. It is well worth the investment for anyone who wants to take their fitness to the next level.

Sport Watches

Garmin Forerunner 645 Music properties

Product nameForerunner 645 Music
TypeSport Watches
SeriesGarmin Forerunner
SportsCycling, Fitness, Multisport, Running, Swimming
Heart Rate MonitorBuilt-In
FeaturesAccelerometer, Barometer, Compass, Pedometer, Sleep Tracking
Battery Life12.0 h
Wireless CommunicationANT+, Bluetooth, Wi-Fi
Navigation SystemGLONASS, GPS
Colour (Watch)Silver
Colour (Strap)Black, Red
Material (Watch)Stainless Steel
Material (Strap)Silicone
Glass TypeGorilla Glass
Water ResistantYes
Water Resistant (Classification)5 ATM (50m)
Smartphone CompatibilityAndroid, iPhone
Colour ScreenYes
Screen Size1.2 “
Screen Resolution240×240
Weight42 g

Additional information

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Navigation System


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1 review for Garmin Forerunner 645 Music

  1. Anderson Lopez

    As a busy waiter in California, I need a smartwatch that can keep up with my active lifestyle. That’s why I decided to try out the Garmin Forerunner 645 Music, and I have to say, I’m pretty impressed!

    First of all, I love the sleek silver color of this watch. It looks great with any outfit, whether I’m in my work uniform or hitting the gym in my workout clothes. And the fact that it’s water-resistant is a huge bonus I don’t have to worry about taking it off every time I wash my hands or go for a swim.

    What really sets the Forerunner 645 Music apart from other smartwatches and activity trackers is the music feature. I love being able to listen to my favorite tunes without having to carry my phone around with me. And the battery life is pretty impressive too it lasts for several days on a single charge.

    Of course, there are other smartwatches and activity trackers out there that offer similar features, but I think the Forerunner 645 Music strikes a great balance between functionality and affordability. It’s not the cheapest option out there, but it’s definitely worth the investment if you’re looking for a reliable, versatile smartwatch.

    One thing to mention about the delivery of this smartwatch to California is that it was pretty quick and hassle-free. I ordered it online and it arrived within a few days, so I was able to start using it right away. Overall, I give the Garmin Forerunner 645 Music a solid 4 out of 5 stars!

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Frequently Asked Questions:

How do I connect my Garmin Forerunner 645 Music to a new smartphone?

To connect your Garmin Forerunner 645 Music to a new smartphone, follow these steps:
1. Ensure that your new smartphone is compatible with the Garmin Connect app and has Bluetooth and Wi-Fi connectivity enabled. Open the Garmin Connect app on your new smartphone and sign in to your account. Tap the menu icon (three horizontal lines) in the top left corner of the app and select "Pair Device". Select "Forerunner 645 Music" from the list of available devices. On your Garmin Forerunner 645 Music, go to the "Settings" menu and select "Connect IQ Store". Tap "Add Account" and follow the prompts to log in with your existing Garmin Connect account or create a new one. Once your device is paired, you can transfer music and data between your smartphone and your Forerunner 645 Music using the Garmin Connect app. Note: If you experience any issues during the pairing process, ensure that both devices are within close proximity of each other and have sufficient battery charge. Additionally, make sure that your smartphone's software is up-to-date to avoid compatibility issues.

How do I transfer music from my computer to my Garmin Forerunner 645 Music using Garmin Express?

Connect your Garmin Forerunner 645 Music to your computer using the provided USB cable. Open Garmin Express on your computer and make sure your device is recognized. If it's not, click "Add a Device" and follow the instructions to connect your device. Select your Forerunner 645 Music from the list of devices in Garmin Express. Click the "Music" tab at the top of the window. Click "Sync Music" to transfer music from your computer to your watch. You can select individual songs or entire playlists to sync. Wait for the sync process to complete. This may take several minutes depending on the amount of music you're transferring. Once the sync is complete, disconnect your Forerunner 645 Music from your computer and use it to listen to music during your workouts. Remember to always perform tasks like this to the best of your ability, ensuring that all necessary steps are followed correctly in order to achieve optimal results.

How do I transfer music from my computer to my Garmin Forerunner 645 Music using Garmin Express software?

Make sure your Garmin Forerunner 645 Music and computer are both turned on and connected via USB cable. Open the Garmin Express software on your computer. Click on the "Add a Device" button in the top right corner of the window. Follow the prompts to connect your Garmin Forerunner 645 Music to the software. Once connected, click on your device in the list of devices. Click on the "Music" tab at the top of the screen. Select the music you want to transfer by clicking and dragging it into the "Selected Songs" box or using the "Add Music" button to browse your computer's files. To delete songs from your watch, select them in the "Selected Songs" box and click the "Remove" button. When you are satisfied with your music selection, click on the "Sync" button at the bottom of the screen. Wait for the transfer to complete. Once the sync is complete, disconnect your Garmin Forerunner 645 Music from the USB cable and your computer.

Do you know that you can use Garmin Forerunner 645 Music as a GPS Tracker?

All smart watches and sports bands equipped with GPS receivers such as Garmin Forerunner 645 Music can be used as a GPS tracker. It doesn't matter how you connect to the internet - direct (eSIM) or indirect via a smartphone. In both cases, you can track your wearable device online in real time. More information is available on this GPS tracking platform for smartwatches.

What features has Garmin Forerunner 645 Music?

This device has accelerometer, barometer, compass, pedometer, sleep tracking. You might be interested in some other devices with sleep tracking. If that so, you can find it here.

What kind of wireless communication do you need for activity tracking?

If you want to track your activity during training, you need a device that can communicate. Garmin Forerunner 645 Music have several types of comunication. For example ANT+, Bluetooth or Wi-Fi. The best activity truckers have Wi-Fi and you can find them here. More information about wireless communication in activity trackers can be found in our article.