Polar - M400

Our Price
From £134.50

For urban and trail runners who want sporty design with advanced GPS and training features, along with loads of options to keep an eye on their activity.

Battery Life
8hr (GPS+HR)
£169.50 (out of stock)
£134.50 (out of stock)
£134.50 (out of stock)


The Polar M400 is a GPS and activity tracker watch compatible with Hear Rate function. The overview below by DCrainmaker clearly shows the functionality of the watch.

We've been really impressed with the usability and how customisable the M400 is. The Polar Flow platform is excellent. It's very simple to use and accessing your training data couldn't be easier.

Polar Flow web service

  • Enables planning and in-depth analysis of training
  • Track pace, distance and altitude with the built-in GPS
  • Follow your 24/7 activity, calories and steps
  • Plan, sync and share your training with Polar Flow mobile app and web service
  • Set targets to beat your personal best

What's in the box?

Polar M400 with heart rate

  • M400 training computer
  • Polar H7 heart rate sensor
  • USB cable
  • Polar M400 Getting Started Guide 

Polar M400 without heart rate

  • M400 training computer
  • USB cable
  • Polar M400 Getting Started Guide