Welcome to the new era of AI-powered wellness. Built to push boundaries, Galaxy Watch Ultra withstands up to 55°C heat, 9,000m altitude, 10 ATM water pressure and runs smoothly through it all with a new, powerful 3nm processor. Trek further with battery that lasts up to 100 hours in Power saving mode. The new BioActive Sensor tracks you closely and Galaxy AI provides the insights, guiding you to push your limits. The toughest Galaxy Watch ever Impact-ready cushion design High-endurance battery power. Whether scaling cliffs or trekking for days, push boundaries without worrying about recharging. Instantly switch between modes — Exercise power saving mode for tracking workouts or Power saving mode for long-term use. Stay powered up for whatever thrills come your way. Brave the blue. Ocean adventures are calling — from riding big waves in the Pacific Ocean to exploring coral reefs in the Caribbean Sea. Heed the call with a watch ready for the water. Conquer new heights. The Galaxy Watch Ultra is cool with the cold, so don't let frosty temperatures or challenging mountain conditions hold you back from exploring.