It has a huge 49mm case that encompasses the biggest

Credit:- Apple

On the left side, the Apple Watch Ultra has an extra speaker,

Credit:- Apple

The button can be customized for instant access to Workouts, Compass Wayponts or Backtrack

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The Watch Ultra can go down to -20° C and as high as 55° C. It's MIL-STD-810H compliant for Low Pressure

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GPS and Cellular connectivity and are on sale today for $799

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Apple also unveiled the Watch Series 8.

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Crash detection works thanks to the 3-axis gyro sensor and a new High G-force

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lunar, Astronomy, Metropolitan, and Modular, with a case made with 100% recycled aluminum

Credit:- Apple

The Watch SE has a case of 100% recycled aluminum

Credit:- Apple