Our quick take
Alternatives to consider
Garmin Forerunner 735XT
- Garmin Forerunner 735XT review
Fitbit Ionic
- Fitbit Ionic review
Garmin Forerunner 645 Music - 4.0 / 5
A compact design for universal appeal
Gorilla Glass 3 display, 1.2-inch, 240 x 240 pixel resolution 42.5mm face, 13.5mm thickness, 42.2g weight Changeable silicone strap Stainless steel bezel 5ATM waterproofing
Best Garmin watch: Fenix, Forerunner and Vivo compared
Let’s talk about music
- Bluetooth connection to headphones Up to 500 song storage Only supports music sideloading
Features: It’s all about the data
Heart rate, GPS, altitude, cadence, motion Running, cycling, swimming and other sports Huge ecosystem of sensors
Best GPS running watches
Garmin Forerunner 645 Music battery life
- Realistic 5 day battery life
Garmin Connect, app and smartwatch functions
- Great app for data Smartwatch notifications and smart replies on Android Garmin Pay not widely supported by UK banks
A post shared by Chris Hall (@christhall)
- What is Garmin Pay, how does it work, and which banks support it?
To recap
The Forerunner 645 adds music, but it’s currently limited by a lack of support from music streaming services. That dulls the headline feature of what is otherwise a great fitness tracker, with smartwatch-beating battery life and plenty of customisation. It’s a little expensive too.
