Apple Watch Ultra 4

Specification

Details

Brand

Apple

Model

Apple Watch Ultra 4

Status

Rumored

Expected Launch

September 2026

Estimated Starting Price

$799 USD

Premium Finish Price

Up to $899 USD

Case Thickness

~12.2–12.9 mm (rumored)

Thickness Reduction

~10–15% compared with 14.4 mm

Chassis Material

Titanium; rumored Ceramic Matrix Composite (CMC) option

Display Technology

Rumored MicroLED or advanced low-power LTPO+ OLED

Peak Brightness

Up to 3,500 nits (projected)

Display Design

Reduced bezels with a slightly larger active display area

Processor

S11 SiP

Biometrics

Rumored Touch ID / AppleMesa integration

Wi-Fi

Wi-Fi 7

Ultra Wideband

Next-generation UWB

Base Storage

Rumored 128GB

Blood Pressure Monitoring

Rumored hypertension trend alerts, subject to regulatory clearance

Sleep Apnea

Enhanced sleep-apnea detection/diagnostics

Health Sensors

Expanded optical/electrical sensor array

Motion Sensors

Upgraded accelerometer and gyroscope

Standard Battery Life

Estimated 48–60 hours

Low Power Mode

Up to 100 hours (estimated)

Fast Charging

~0–80% in around 35 minutes (rumored)