Overview

• Preorders opened on September 9 with availability starting September 19, priced at $249 for SE 3, $399 for Series 11 and $799 for Ultra 3 in the U.S.
• Ultra 3 adds two‑way satellite communication enabling Messages, Find My location sharing and Emergency SOS when outside cellular coverage.
• All three models introduce 5G connectivity for the first time on Apple Watch, alongside tougher cover glass and battery claims of up to 18 hours (SE 3), 24 hours (Series 11) and 42 hours (Ultra 3), with up to 72 hours in Low Power Mode on Ultra 3.
• A new Sleep Score summarizes sleep quality and will be available to compatible older watches via watchOS 26.
• Apple's 'possible hypertension' notifications use optical heart‑sensor trends and launch on Series 11 and Ultra 3 pending approvals, with support extending to Series 9/10 and Ultra 2 via watchOS 26; SE 3 does not include this feature.