Apple Watch Series 11 GPS Smartwatch Introducing Sleep Score | Up To 24 Hours Of Battery Life | Wake Up To Your Sleep Score | Keep An Eye On Sleep Apnea | Follow Your Heart On The ECG App | Stay On The Pulse With The Heart Rate App | Cycle Tracking Keeps You In The Loo | Get Retrospective Ovulation Estimates | Measure Your Blood Oxygen. It's A Breathtaking Innovation