Polar M400: Running and activity tracking in one (pictures)

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

GPS and other sensors allow it to also track your time, pace, distance and altitude while running.

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

The soft rubber strap makes the M400 comfortable to wear.

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

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

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

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

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

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

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

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

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.

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

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