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The Polar M400 can track your steps taken, distance traveled, calories burned and sleep.

Caption:Photo:Sarah Tew / CNET
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GPS and other sensors allow it to also track your time, pace, distance and altitude while running.

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The watch measures 11.5mm thick and comes in at just over 56g, making it slightly heavier than the similarly priced Garmin Forerunner 15.

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The soft rubber strap makes the M400 comfortable to wear.

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A progress bar shows you how close you are to achieving your daily activity goal.

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There is an alarm to wake you up in the morning, but no vibration.

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It charges through a normal microUSB port, just like your smartphone.

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The watch includes Bluetooth and can sync with your mobile device.

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GPS issues can keep you from getting accurate readings for distance and pace while running.

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The M400 gives you a considerable amount of information during and after you have completed your run, all of which is displayed the devices 128 x 128-pixel resolution black and white display

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You can view your steps taken, active time and calories burned right on the watch.

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There is also a clever animation that shows you how much more walking, standing or jogging you must do to complete your goal.

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Post-run information is plentiful: start time, duration, distance, calories burned, fat burn percentage of calories, average pace, max pace, max altitude, ascent, descent, auto lap times, best lap time and average lap time.

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It will also keep track of your personal records and will notify you after you complete your longest and fastest runs.

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The Polar M400 retails for £134 in the UK, $199 in the US and AU$230 in Australia and is available now.

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