Others
Trail Loop Small Medium Band, Controls: Customizable Action button, Digital Crown with haptic feedback, Side button, Double tap and wrist flick gestures, Siri with on-device processing. 4-core Neural Engine, Display: Always-On Retina display with wide-angle OLEDs and LTPO3, 1Hz refresh, Active area (422 by 514 pixels, 326 pixels per inch), Flat sapphire crystal display, 1 nit minimum brightness, Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering). Audio: Three-microphone array with beamforming and wind noise mitigation, Dual speakers, Media playback, Siren. Power and Battery Life: Multiday battery life, up to 42 hours of normal use, Up to 72 hours in Low Power Mode, Built-in rechargeable lithium-ion battery, Fast-charge capable, Up to 80% charge in about 45 minutes, 15 minutes for up to 12 hours of normal use, 5 minutes for up to 8 hours of sleep tracking. watchOS, Hardware and Buttons: Microphone, Speaker, Customizable Action button, Siren/Speaker, Antennas (GPS, cellular/satellite), Microphone, Side button, Microphone, Digital Crown, Depth gauge/Water temperature sensor/Altimeter.
Feature
Health and Wellness: Cycle Tracking app with retrospective ovulation estimates, High and low heart rate notifications, Irregular rhythm notifications, Medications app, Mindfulness app with state of mind tracking, Noise app, Sleep app including sleep stages, Sleep score, Sleep apnea notifications, Hypertension notifications. Workouts and Activity: Running, Hiking, Cycling, Swimming, Diving, Skiing, Snowboarding, Outdoor Rowing, Paddling, Golf, Walk, Elliptical, Rower, Stair Stepper, HIIT, Yoga, Functional Strength Training, Dance, Cooldown, Core Training, Pilates, Tai Chi, Wheelchair, Kickboxing, Multisport, and more. Safety: Satellite connectivity (Emergency SOS, Messages, Find My), Emergency SOS, International emergency calling, Siren, Flashlight, Crash Detection, Fall Detection, Last Emergency Call Availability Waypoint, Noise monitoring, Backtrack. Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:2010. Dust resistance IP6X under IEC 60529.