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  • Garmin Forerunner 645 Music GPS
  • Garmin Forerunner 645 Music GPS
  • Garmin Forerunner 645 Music GPS
  • Garmin Forerunner 645 Music GPS Side
  • Garmin Forerunner 645 Music GPS 3/4 Front
  • Garmin Forerunner 645 Music GPS Side
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GarminForerunner 645 Music GPS
$449.99

Item # GRM0098

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  • Black, One Size ($449.99)
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Item # GRM0098
Description

Musical motivation for every run.

Get the most out of every run and find your motivation with the heart rate tracking and wireless music streaming of the Garmin Forerunner 645 Music GPS. Setting itself apart from the standard Forerunner 645, this particular version holds up to 500 songs and streams your favorite tunes to any pair of Bluetooth ear buds or headphones (headphones are sold separately).

It's hooked up with Garmin Pay wireless for cashless convenience at the checkout, so you don't have to bring cash or carry a wallet around town. Wrist-based heart rate monitoring and run-savvy measurements give you all the tools you need to get faster and more fit, regardless if you're training for an upcoming marathon or just getting back in shape after a long winter. Pair this Forerunner 645 Music GPS with Garmin's Running Dynamics Pod (not included) to gain a whole host of key running stats, including ground contact time balance, stride length, and vertical ratio.

Besides its running and music streaming features, the Forerunner 645 Music GPS is loaded with ANT+, Bluetooth Smart, and Wi-Fi capabilities, so you can wirelessly sync it with a host of compatible devices, including iPhone and Android smartphones. And speaking of wireless syncing, it works seamlessly with the Garmin Connect app, so you can view all your exercise stats on a smartphone or computer for an in-depth analysis of your running stats and exercise output.

  • Run-savvy smartwatch with wireless music streaming
  • Stores 500 songs, streams tunes to Bluetooth headphones
  • Garmin Pay wireless for cashless convenience at checkout
  • Wrist-based heart rate for tracking physical output
  • Advanced Running Dynamics provide insightful run data
  • Embedded GPS receiver for measuring distance and speed
  • ANT+, Bluetooth Smart, and Wi-Fi for wireless syncing
  • Syncs with Garmin Connect app for iPhone and Android
Tech SpecsWeight
Tech Specs
Housing Material
[bezel] stainless steel
Strap Material
silicone
Face Material
chemically strengthened glass
Pedometer
yes, step counter
Odometer
yes, GPS-based distance, time, and pace
Altimeter
yes, barometric altimeter
Heart Rate Monitor
yes, wrist-based heart rate monitor
Technical Features
Garmin Pay wireless, stores and streams music (up to 500 songs), Advanced Running Dynamics
Wireless
yes, Bluetooth, ANT+, Wi-Fi
Operating System
Garmin Connect IQ, Garmin Connect Mobile app (iOS, Android)
Date Indicator
yes, time/date
Alarms
yes, alarm clock
Submersible
5 ATM water-resistant rating
Battery Type
rechargeable via USB cable
Battery Life
[Smartwatch] up to 7 days, [GPS mode] up to 14 hours, [GPS with music] up to 5 hours
Includes
Forerunner 645 Music GPS, charging cable
Face Size
42.5 mm
Recommended Use
casual, running, training
Manufacturer Warranty
1 year
Weight

Claimed Weight

Claimed weights are provided by the vendor.

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1.5 oz

Reviews & Community

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Everything I Have Ever Wanted In A Watch

  • Familiarity: I've put it through the wringer

I have been holding off on buying a smartwatch until one came out with all of the features I wanted. When I saw the Forerunner 645 Music and it was all over. I had to have it!

First off, it is beautiful with a perfect sized face. I got the black and rose gold and it looks so classy and flashy! Additionally it is compatible with Spotify and you can download either Spotify playlists or music from your computer and pairs with your bluetooth headphones so you don't have to carry your phone with you. This is great for the gym or going for a run! I get frustrated with technology pretty easily and this watch is very user-friendly and easy to setup - even the Spotify wasn't difficult.

It has all kinds of exercise modes from hiking to SUP to skiing, plus so many more. My favorite mode is the skiing mode! It clocks your speed, tells you your max and average speed for the last run and the day, tracks your vert drop, measures distance and time, and even tells you how many calories you burned.

Other additional features are the barometer, altimiter, pedometer, and heart rate mointor. It can also sync to your phone to it and display text messages, email/social media notifications, and sends all of your activity and sleep data to the Garmin Connect app on your smartphone to check out.

I've been impressed with its battery-life, which is accurate to the tech specs listed above and its comfortable band.

This watch is jam-packed with features and easy to use. I love it and highly recommend it!

not compatible with Spotify

  • Familiarity: I've used it several times

absolutely love it! This watch is sleek and great for everyday wear but it also does everything you could ever want from a sports watch. One thing I wish I had known is this model is not compatible with Spotify. I eventually was able to convert Spotify songs to MP3 format and get it to work but man it was a process.

Spotify is now supported directly. Update the watch firmware/software and you can directly sync Spotify playlists and songs.