Key FeaturesWHY WATCH SERIES 10 — Bigger display with up to 30 per cent more screen area.* A thinner, light and more comfortable design.* Advanced health and fitness features provide invaluable insights.* Safety features connect you to help when you need it.* Faster charging gives you 80 per cent battery in about 30 minutes.*ADVANCED HEALTH INSIGHTS — Take an ECG at any time.* Get notifications if you have high or low heart rate or an irregular heart rhythm.* Understand your menstrual cycle and get retrospective ovulation estimates.* See overnight health metrics like heart rate, respiratory rate and more with the Vitals app.* Track sleep and get notifications if Watch detects signs of sleep apnoea.*