Designed to keep users more connected and safer wherever they are with built-in satellite communications, Apple Watch Ultra 3 allows users to text emergency services, message friends and family, and share their location, all while they’re off the grid. The ultimate sports and adventure watch now features the largest screen of any Apple Watch, a display with a 1Hz always-on refresh rate, 5G cellular capabilities, the most accurate GPS in a sports watch, and up to 42 hours of battery life — with up to 72 hours in Low Power Mode. Notifications for signs of chronic high blood pressure, also known as hypertension, offer a groundbreaking new health insight, and sleep score helps users understand the quality of their sleep. Updates to the Workout app, including Workout Buddy — a first-of-its-kind fitness experience powered by Apple Intelligence — add to a robust suite of advanced fitness features., Apple Watch Ultra 3 is official. Headlining features include a larger and brighter display, 42-hour battery life, and satellite connectivity., Apple introduced Apple Watch Ultra 3 — the most advanced Apple Watch — now offering even more health, fitness, safety, and connectivity features..