Series 10 is our thinnest watch ever. To make this possible, we re-engineered nearly every aspect of it, including the SiP, Digital Crown, speaker, front crystal and antenna. It all comes together to create a watch that’s packed full of innovation. Series 10 has the largest screen area of any Apple Watch. It has up to 75% more screen area than Series 3, up to 30% more screen area than Series 4, 5, 6 and SE, and up to 9% more screen area than Series 7, 8 and 9. So you can see and do even more. From sleep tracking to heart health notifications and much more, the advanced sensors in Series 10 help you better understand your health. Series 10 is the perfect fitness partner. It motivates you to stay active, tracks all your workouts and gives you the metrics you need.