The Apple Watch Ultra 3 in black titanium (49 mm) with aerospace-grade construction offers durability and corrosion resistance. The S10 chip with 64-bit dual-core processor and 4-core Neural Engine delivers powerful performance. The Always-On Retina display with LTPO3 OLED reaches up to 3000 nits peak brightness at a resolution of 422 x 514 pixels (326 ppi). Water resistant to 100 m and suitable for recreational and freediving to 40 m depth. Controls include a Digital Crown with haptic feedback, side button, Action Button, double tap gesture and Siri. Advanced safety features include a siren, Backtrack, fall detection, Emergency SOS and crash detection. Integrated satellite communication and multi-day battery life round out the feature set. Comes with the Black Charcoal Trail Loop in size M/L.