Apple Watch Ultra 4 - 49mm GPS + Cellular Titanium Case with Sand Trail Loop Smartwatch for Outdoor Adventures

The longest battery life of any Apple Watch. Now with up to 45 hours of Max Extended Workout tracking All-new Health Sensing System delivers the most accurate heart rate sensing in a wearable A new personal readiness score tells you whether to rest or put yourself to the test More frequent heart rate variability, or HRV, readings help provide insights on stress and recovery In the redesigned Health app, learn which habits are influencing your Health Age and how to improve them Make every day more effortless with Siri AI.4 And seamless with Audio Intelligence, powered by the S11 chip Apple Watch Ultra 4 features built‑in satellite communications that help you stay connected and safe off the grid A battery youcan’t outrun. Display Display type Digital Display resolution 422 x 514 pixels Touchscreen Yes Display technology marketing name Retina Display technology OLED Display area 1245 mm² Display brightness (min) 1 cd/m² Display brightness 3000 cd/m² Minimum refresh rate 1 Hz Pixel density 326 ppi Always-on display Yes Colour display Yes Rounded display corners Yes Watch glass type Sapphire Processor Neural processor unit (NPU) Apple Neural Engine (ANE) Neural processor unit (NPU) cores 4 Performance Built-in microphone Yes Built-in speaker(s) Yes Built-in camera No FM radio No Mobile operating systems supported iOS Operating system installed watchOS 27 Flash memory 64 GB Processor manufacturer Apple Processor model S11 Processor cores 2 64-bit computing Yes Crash detection Yes Fall detection Yes Health Sensing System Yes Check In function Yes Built-in flashlight Yes Audio Intelligence Live Rewind, Siri Recap, Sound Recognition, Shazam Backtrack Yes Noise monitoring Yes Design Market positioning Smartwatch Watch case size 49 mm Watch case colour Titanium Watch case material Titanium Band colour Sand Band material Nylon Band size S/M Wrist size range 130 - 180 mm Shape Rectangular Magnetic charging connector Yes International Protection (IP) code IP6X Removable strap Ye