What is New in the Apple Watch Ultra 3?
Satellite Communications Onboard – despite the lack of cellular or WiFi, you can transmit messages and call emergency services with the help of satellite.
Rugged Design and Durability – 49mm titanium case, sapphire crystal display, WR 100 (scuba to 40m), and IP6X dust protection.
Bright and Smart Display – up to 3000 nits OLED is a wide screen with a wide viewing angle and always-on capabilities.
Long Battery Life – The normal battery life is 42 hours, Low-Power Mode 72 hours, and charging in 15 minutes provides a 12-hour charge (Hayashi 2013).
Health Tools- Enhanced Health and Safety Systems: hypertension alerts, sleep score and apnea alerts, ECG, heart rate alerts, crash and fall detection.
Sports & Adventure Tools – Accurate, dual-frequency GPS, Backtrack route canvassing, dive computer (Oceanic+), exercise metrics, race course,s and offline maps. Action Button – a customizable hardware button, used to quickly open functions such as workout, flashlight, siren, etc.
Tech Specifications Table
Specification  | Detail – Apple Watch Ultra 3  | 
Case & Material  | |
Display  | |
Battery Life  | |
Charging & Fast Charge  | |
Water & Dust Resistance  | |
Satellite Connectivity  | |
Sensors & Health Features  | |
GPS & Sports  | |
Safety Features  | Crash detection, fall detection, siren, etc.  | 
 
 

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