Feature

Specification

Model

Apple Watch Ultra 3

Case Size

49mm

Case Material

Titanium

Display

Always-On Retina Display, Wide-angle OLED, LTPO3

Brightness

Up to 3000 nits

Chipset

S10 chip

Connectivity

Cellular + Satellite, 5G capable

GPS

Precision dual-frequency GPS

Water Resistance

100m – Swim, snorkel, scuba, high-speed water sports

Depth Gauge

Up to 40m

Water Temperature Sensor

Yes

Health Monitoring

Hypertension notifications, ECG app, High/Low heart rate, Irregular rhythm, Low cardio fitness, Blood Oxygen app, Sleep tracking, Sleep apnea notifications, Sleep score, Temperature sensing, Vitals app (heart rate, respiratory rate, wrist temperature, sleep duration), Cycle tracking with retrospective ovulation estimates

Safety Features

Emergency SOS, Emergency SOS via satellite, International emergency calling, Fall Detection, Crash Detection, Built-in Siren

Gestures

Wrist flick gesture, Double tap gesture

Assistant

On-device Siri with health data access

Extra Features

Precision Finding for iPhone

Battery Life

Up to 42 hours (normal use),

Up to 72 hours (Low Power Mode)

Charging

Fast-charge capable: 0–80% in ~45 minutes; 15 minutes for up to 12 hours

Durability

Designed for extreme conditions, Titanium build, Sports & Adventure ready