Full specs of Garmin Forerunner 645 Music surface

Some more information has leaked out on the upcoming Forerunner 645 watch. The new bit of news actually comes from Garmin itself, which has posted full specs of the device on its website before pulling them offline.

When it comes to design, the successor to the 630 has seen a significant revamp. Resembling a blend between Vivoactive 3 and Forerunner 935, the lightweight device comes with a round screen and discreet crown.

There are five physical buttons on the sides. They have names next to them and read the same as the current Fenix and Forerunner 935 series. So clockwise from the top right hand side: Start/Stop; Back; Down; Up; and Light.

As the pictures show there will be a number of colours to choose from. The bracelet is textured, and the watch is fitted with QuickFit straps.

Essential reading: Which Garmin fitness trackers should you buy?

The 5 ATM water resistant device includes built-in GPS, a heart rate sensor and barometer, the latter two being obvious omissions from the previous version. Garmin Pay is also included so you can make payments phone-free. The feature made its debut on the Vivoactive 3.

There are profiles for running (indoor/outdoor), cycling (indoor/outdoor), swimming (pool but not open water), elliptical, paddle sports, strength training and more. You can also create your own custom workouts.

In terms of performance metrics, you’ll get info on training status, training load and anaerobic training effect. If you have a compatible heart rate strap or Garmin’s Running Dynamics Pod, you’ll also benefit from some advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more.

Garmin devices are known for their decent battery life and the 645 is no different. In smartwatch mode it will keep going for up to 7 days, which comes down to 5 hours in GPS mode with music.

And this last bit is the main novelty of the device – the integration of a music player which is a first for Garmin. There is enough on-device music storage for up to 800 songs, and you can connect Bluetooth headphones and sync music from select streaming services for offline listening.

It is likely we will see two versions of the device, Forerunner 645 Music and Forerunner 645. Expect built-in storage for music on the more high-end edition but not on the other one.

One other watch in the Forerunner series that is rumoured for a debut very soon is the 245. An upgraded version of the 235, it is likely to resemble the 645 but with fewer features and performance metrics.

Source: Montre Cardio GPS; the5krunner; Appelmoessite; GPS rumours

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