With the Apple Watch Series 12, you can learn more about your health and receive tips to become more fit. You can keep track of your sleep, sports activities, and discover if you have an irregular heart rhythm. Thanks to the new processor, you can open apps faster than with older Watches. Measure your wrist and choose the right size and the right strap. Always want to be available? You can buy an Apple Watch with Cellular and always stay connected via 4G/5G. You do need a separate eSIM phone plan for this.