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Polar M400 GPS Watch with HR Monitor

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Stay healthy and train at the right intensity with the help of the Polar M400 GPS Watch with HR Monitor. With built-in GPS and 24/7 activity training, the Polar M400 is a stylish sporting companion equipped to take your fitness to the next level.

The Polar Logo

Under the Skin of Your Training

The Polar M400 GPS Watch

A woman running wearing the POlar M400 watch

Heart In Check

Keep an eye on your heart-rate when training with the Polar M400 GPS Watch with HR Monitor's heart rate sensor. Monitoring your heart during training allows you to either ease up on the intensity or to push even harder, maximising results.

A man running wearing the Polar GPS watch

Stay On Track

The Polar GPS Watch with HR Monitor gives detailed information on how active you've been throughout the day and offers guidance on how to reach your goals. After your training, it gives out motivating feedback, describing the benefits of your session.

The Polar M400 connects to your phone and other devices

Keeping Up with Your Lifestyle

Keeping you in touch with your contacts, the Polar M400 GPS Watch alerts you of incoming texts, calls, and social media notifications. This watch with HR monitor allows you to read messages and calendar appointments you have set.

Man running with a group wearing the M400

Fitness and Recovery

The Polar M400's Fitness Test measures aerobic fitness in relation to heart rate in just 5 minutes. Taking your overall fitness into consideration, this fitness watch's Recovery Status function shows you how long you need to recover before your next session.


Product Type Fitness Trackers
Brand Polar
Model M400
Perfect For Intermediate
Water Resistance 30m
Manufacturers Express Warranty (months) 24

If you feel your product has failed a Consumer Guarantee (as defined by Australian Consumer Law) then don't worry you can easily return it to your local Harvey Norman store. We'll even pay for the postage if you live in an area where there is no store. Our returns policy covers any purchased item (conditions apply).

  • Buying Guide: Wearable Technology

    Wearable technology like fitness trackers, smart watches and action cameras let you record aspects of your life and get more from your mobile devices. This guide explains current wearble technology so you find what you need.

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Protect your purchase with Product Care®. Get a brand new replacement if your product suffers an eligible fault through our hassle free support process, plus enjoy a range of exclusive benefits like a product health check and free prints each year so you experience your new product even more.

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With Product Care® you can relax knowing your purchase is protected. After an assessment, if your product suffers a fault covered by the terms of your plan, we’ll arrange to have a brand new replacement delivered to your doorstep.


Our range of support options ensure you experience an easy and hassle free process when you need to talk to us about your Product Care® plan. Whether you are experiencing a fault, or wanting to redeem your entitlements, we will provide you with guidance and support every step of the way.


Having Product Care® with your purchase means you can enjoy a range of special benefits that are exclusive to you and will help you enjoy the experience of your new product even more.

Conditions apply. This section should always be read in conjunction with the Terms and Conditions for Product Care® Replacement (Computers). 

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Polar M400 GPS Watch with HR Monitor

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