The Polar A370 Sports Watch is a slim, sporty, water-resistant fitness tracker that helps keep you on the pulse around the clock with continuous heart rate monitoring, advanced sleep tracking and Polar's unique workout capabilities.
This will give you a complete overview of your daily activity. Polar A370 shows you how many calories you have burned, how high your lowest and highest pulse was and how it varies throughout the day.
Sleep Plus gives you valuable insights into your sleep. Time, duration and quality of your sleep are tracked and sleep breaks are automatically detected. You can set your preferred sleep duration and rate your sleep.
You will receive feedback on your sleep. Learn more about your sleep patterns and think about what you can do to get the most out of your night.

- Activity Manual
- Activity benefits
- Smart Calories
- Fitness test (H10 heart rate sensor required)
- Sleep Plus
- Continuous pulse measurement
- Training benefits
- Running training program
- Waterproof (WR30)
- Full-color TFT display with wide viewing angle and capacitive touch screen
- Screen resolution 80 x 160 pixels (RGB)
- Screen size 13 mm x 27 mm
- Specially developed by Polar module for optical pulse measurement (2 green LEDs, 1 photodiode, analog front-end)
- Rechargeable 110 mAh battery
- Battery life up to 4 days with 24/7 activity tracking with 1 hour of training per day
- Weight: 31.7g (S), 37.3g (M / L)
- Thickness: 13.5mm
- Width: 23.5mm
- Bracelet: silicone

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