The Apple Watch Ultra 2 GPS + Cellular 49mm Black Titanium Case with Black Ocean Band MX4P3ZP/A is the ultimate sports and adventure watch, featuring multi day battery life, dual frequency GPS and Apple's brightest Always-On Retina display ever. Apple Watch Ultra 2 has advanced features for runners, cyclists, swimmers, hikers, divers and more. Powerful health, safety and connectivity features(2) plus up to 36 hours of battery life for normal use and 72 hours in Low Power Mode(3). Equipped with a 49mm corrosion resistant titanium case, sapphire front crystal, large Digital Crown and customisable Action Button for instant control over a variety of functions. Tested to MIL-STD 810H.4 Water resistance 100m(5). With a carrier plan, call and text without an iPhone nearby(6), stream music or podcasts and get directions. The Workout app has advanced metrics, views and experiences including Heart Rate Zones, customised workouts and training load for insights into workout impacts. Automatic track detection and advanced form metrics can understand how you run. Customisable workouts can include warmups, recovery intervals and time to cool down. Powerful metrics take cycling to the next level with speed, heart rate and elevation in workout views. Start a cycling workout from the Watch Ultra for it to appear as a Live Activity on an iPhone. Connect to accessories like power meters for Functional Threshold Power and cadence. Offline Maps can navigate with just the Apple Watch(7) and the Compass app is packed with essential tools like current heading, elevation, longitude and latitude. Find the last place where mobile reception was available with Compass Waypoints. Use Backtrack to map where you've been and retrace steps. Automatic stroke detection, lap count, splits, sets and customised workouts for pool swimmers. Open water swimmers can view a route map in their workout summary, see tide conditions at over 115,000 beaches worldwide with the Tides app and have full dive computer capabilities with the Oceanic+ app(8), sensing depth to 40m along with water temperature at EN13319 certification. Take an ECG(9) and get notifications for irregular heart rhythm(10) plus overnight health metrics. Connect automatically to emergency services in the event of a hard fall or a severe car crash. Call for emergency help or activate a siren with the press of a button(11). Disclaimers: Apple Watch Ultra 2 requires iPhone XS or later with iOS 18 or later. (2) Some features, applications and services may not be available in all regions or all languages. (3) Battery life varies by use and configuration. (5) Apple Watch Ultra 2 has a water resistance rating of 100 metres under ISO standard 22810:2010. It may be used for recreational scuba diving (with a compatible 3rd party app) to 40 metres and high speed water sports. Do not use for diving below 40 metres. Water resistance is not a permanent condition and can diminish over time. (6) Carrier plan required for cellular service. Contact a service provider for more details. Connection may vary based on network availability. International roaming is not supported. (7) Requires iPhone Xs or later running iOS 18 or later. Not available in all countries and regions. (8) A subscription is required for Oceanic+. Always follow diving protocols, dive with a companion and have a secondary device. (9) The ECG app can generate an ECG similar to a single-lead electrocardiogram. Intended for use by people 22 years old and over. (10) Irregular rhythm notifications are not intended for use by people under 22 years old or those diagnosed with atrial fibrillation. The device is not intended to replace traditional methods of diagnosis. Consult a doctor if atrial fibrillation is detected or if you have symptoms of a heart attack, stroke or other cardiovascular conditions. (11) Emergency SOS requires a mobile network connection or Wi-Fi calling with an internet connection from an Apple Watch or nearby iPhone.