Apple Watch Ultra 3 Details
- Chip Apple S10 SiP with 64-bit dual-core processor and 4-core
Neural Engine
- Display Always-On Retina LTPO3 wide-angle OLED — largest Apple
Watch screen ever with flat sapphire crystal and up to **3000 nits** peak
brightness; 422×514 pixel active area (~326 ppi) with 1 Hz refresh in always-on
mode. :contentReference[oaicite:1]{index=1}
- Case 49 mm **Grade 5 Titanium** (Natural or Black) rugged design.
:contentReference[oaicite:2]{index=2}
- Storage 64 GB internal storage.
:contentReference[oaicite:3]{index=3}
- Sensors & Health ECG app, optical heart sensor, blood oxygen (SpO₂)
sensor, temperature sensor, depth gauge, water temperature sensor, compass,
always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient
light sensor; sleep score, heart rate zones, hypertension notifications.
:contentReference[oaicite:4]{index=4}
- Connectivity GPS; Wi-Fi; Bluetooth 5.3; 5G cellular support; NFC;
Ultra Wideband; Siri with on-device processing; Precision dual-frequency GPS.
:contentReference[oaicite:5]{index=5}
- Satellite Features Built-in **two-way satellite communications**
for Emergency SOS, messages, and Find My location when off-grid (first Apple Watch
with full satellite support). :contentReference[oaicite:6]{index=6}
- Battery & Charging Up to **42 hours** normal use; Up to **72
hours** in Low Power Mode; fast-charge capable (~80% in ~45 min; ~12 h battery in
~15 min). :contentReference[oaicite:7]{index=7}
- Durability WR100 water resistance (up to 100 m); IP6X dust
resistance; Siren; dual speakers; three-mic array with wind mitigation.
:contentReference[oaicite:8]{index=8}
- Features & Gestures Double-tap and wrist-flick gestures;
customizable Action button; advanced workout metrics; sleep tracking with sleep
score; fall & crash detection; emergency calling.
:contentReference[oaicite:9]{index=9}
- Dimensions & Weight
- 49 mm case: ~61.6 g (Natural) / ~61.8 g (Black).
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