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Polar M400 GPS Running Watch - Blue


RRP: £119.50

Save: 23%

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Availability: In stock Usually dispatched within 24 hours


Polar M400 is a water resistant GPS running watch and daily fitness tracker. It can help you plan optimal training, break your records, and even find your way back from a run.

Key Features:

  • The Polar M400 is a GPS running watch
  • 24/7 daily fitness tracker
  • Features integrated GPS and a 'Back to start' function that allows you to explore new running paths Measures your daily activity, workouts and sleep
  • Measures steps and distance and end time estimator
  • Measures speed and pace zones
  • Running cadence from the wrist
  • Receives smart notifications directly from your phone to your watch
  • Inactivity alert
  • Links to Polar Balance Smart Scales
  • Train for a running event with a personalised and adaptable running plan in the Polar Flow free web service.

Polar Flow Web service

  • Create sport profiles and tailored views for each sport you do.
  • Create detailed training targets, like interval workouts and sync them to your device.
  • Gain deeper insight and learn from what you do, analyse every detail of your training in Polar Flow.

Polar Flow mobile App

  • Get a quick visual overview of your training and analyse your achievements.
  • Stay motivated with feedback that’s delivered straight to you immediately after exercise.
  • Easy sync with Bluetooth Smart.



  • Weight: 56.6g
  • Thickness: 11.5 mm
  • Display size: 128 x 128 px high resolution display


  • Integrated GPS with AssistNow™ satellite prediction technology
  • Activity sensor
  • Manual and auto laps
  • Audio alerts
  • Water resistant
  • 4 MB Flash memory
  • Rechargeable 190 mAh lithium polymer battery
  • Battery duration up to 8 hours of training time with GPS and Bluetooth Smart


  • Standard micro USB cable for data sync with PC or Mac
  • Bluetooth Smart with mobile and sensors
  • Polar Flow web service compatibility with Mac OS X 10.6, OS X 10.7, OS X 10.8, or later, and PC Windows XP, Windows 7, Windows 8, or later
  • Polar Flow mobile app compatibility
  • Updatable software
  • UI languages English, Spanish, Portuguese, French, Danish, Dutch, Swedish, Norwegian, German, Italian, Finnish, Polish, Russian, Chinese, Japanese

Product Details

  • Polar

Delivery & Returns

Express Delivery Available

If ordered before 9pm, delivered by courier next working day. Available on orders placed before 9pm (2pm weekends and Bank Holidays) for delivery next business day. Applies to most delivery addresses within mainland UK.

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is: In stock | Usually dispatched within 24 hours

Please remember to add postal time (2-3 working days) to obtain a complete estimate of delivery to your door.

How will I know it has been sent?

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing My Account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

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Polar M400 GPS Running Watch - Blue

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Polar M400 GPS Running Watch - Blue