The Apple Watch Series 11 GPS 42mm brings invaluable health insights, better fitness metrics and big battery life. Sleep score provides an easy way to help track and understand the quality of sleep to make it more restorative. Take an ECG at any time. Get irregular rhythm, high or low heart rate & possible sleep apnoea notifications. View overnight health metrics with the Vitals app and take blood oxygen readings. Series 11 is comfortable to wear around the clock — while exercising or even sleeping to track key metrics. With advanced metrics for any workout plus features like Pacer, Heart Rate Zones, training load, Workout Buddy powered by Apple Intelligence from a nearby iPhone and more. Up to 24 hours of normal use on one charge, and fast charging for up to 8 hours of normal use in just 15 minutes. Incredibly durable glass display that’s 2x more scratch-resistant than Series 10, plus water resistant at up to 50m and IP6X dust-resistant. The Series 11 can detect a hard fall or severe car crash, automatically connect with emergency services and notify emergency contacts. Send a text, take a call, listen to music, use Siri and get notifications – the Series 11 works with an iPhone or Wi-Fi to keep you connected.