Apple Watch · Ultra

2025

Apple Watch Ultra 3

Built-in two-way satellite communications (Emergency SOS, Messages, Find My), the largest display ever in an Apple Watch with LTPO3 wide-angle OLED, 42-hour battery life, 5G cellular, and hypertension notifications define the third-generation Ultra.

Announced
2025-09-09
Family
Apple Watch
Branch
Ultra
Historical weight
Major evolution

Key specifications

Apple verification ↗
Display
Large high-brightness LTPO OLED
Chip / CPU
Apple S10 SiP · 1.80 GHz
Memory
1 GB
Base storage
64 GB
Ports & charging
Magnetic fast charging, Action Button
Weight
Varies
Dimensions
49 mm titanium case
Original OS
watchOS
Launch price
$799
Released
September 19, 2025
Graphics
Integrated
CPU cores
2

Generation delta

What changed?

Introduced

5
  • Two-way direct satellite communications

    Re-engineered satellite radio and dual-strength antenna connect directly to low Earth orbit satellites (~800 miles above Earth traveling at 15,000 mph); provides Emergency SOS via satellite, Find My location sharing via satellite, and two-way SMS/MMS/iMessage messaging via satellite when entirely outside cellular and Wi-Fi coverage.

    Connectivity
  • 5G cellular modem

    First 5G cellular integration in the Ultra branch, delivering higher download throughput and reduced cellular power draw.

    Connectivity
  • Hypertension notifications

    Passive background analysis of optical heart sensor photoplethysmography (PPG) data over 30-day monitoring intervals to detect consistent signs of chronic high blood pressure.

    Sensors
  • Sleep score

    Comprehensive sleep tracking metric analyzing sleep duration, bedtime consistency, awakenings, and sleep stages.

    Product
  • Wrist flick gesture

    (minor): One-handed outward wrist turn-and-return gesture to quickly dismiss notifications, alarms, or timers.

    Product

Changed

3
  • Largest Apple Watch display with LTPO3

    Expands screen area to the largest ever on an Apple Watch, incorporating LTPO3 wide-angle OLED architecture for superior off-axis brightness and 1Hz always-on refresh.

    Display
  • Battery runtime extended to 42 hours

    Normal everyday battery life increased from 36 hours (Ultra 2) to 42 hours; Low Power Mode battery extended to 72 hours; continuous outdoor GPS/heart-rate workout tracking in Low Power Mode extended to 20 hours.

    Power
  • Fast charging performance

    (minor): 15 minutes of charging provides up to 12 hours of battery life.

    Power

Retained

3
  • 49mm aerospace-grade titanium enclosure

    Retains the rugged 49mm titanium case, raised protective bezel, flat sapphire crystal, and orange Action button.

    Input
  • Extreme durability and dive standards

    Retains 100-meter water resistance, EN13319 recreational dive computer certification (depth gauge to 40 meters), dual-frequency GPS (L1 and L5), dual speakers, and an 86-decibel emergency siren.

    Audio
  • Color choices

    Available in Natural Titanium and Black Titanium finishes.

    Design

Canonical predecessor

Apple Watch Ultra 2 Apple Watch Ultra 3

Other lineage references