Apple Watch · Ultra
2026
Apple Watch Ultra 4
The Health Sensing System and S11 chip join the rugged Ultra branch, delivering 50-hour multiday battery life, 45-hour Max Extended Workout tracking, daily Readiness scoring, and privacy-first Audio Intelligence.
- Announced
- 2026-09-09
- Family
- Apple Watch
- Branch
- Ultra
- Historical weight
- Major evolution
Key specifications
Apple verification ↗- Display
- 49 mm LTPO3 always-on OLED, 422×514, 3000 nits
- Chip / CPU
- Apple S11 SiP
- Base storage
- 64 GB
- Ports & charging
- Magnetic fast charging, Action Button
- Weight
- 63 g
- Dimensions
- 49×44×12 mm titanium case
- Original OS
- watchOS 27
- Launch price
- $799
- Released
- September 18, 2026
- Graphics
- Integrated
- CPU cores
- 2
Generation delta
What changed?
Introduced
6- Ports
Health Sensing System
Re-architected optical and electrical heart sensing subsystem adapted for extreme sports and outdoor conditions, measuring heart rate passively every 5 seconds continuously throughout the day.
- Design
High-frequency dual-metric HRV and Readiness score
Samples HRV up to 24 times more frequently, delivering distinct Recovery HRV and Overall HRV metrics synthesized into a continuous, real-time Readiness score.
- Storage
Max Extended Workout mode
Ultra-endurance workout mode providing up to 45 hours of outdoor running, walking, or hiking tracking — sufficient for a 100-mile ultramarathon race — while continuing to record GPS location once every second.
- Silicon
S11 SiP with Secure Exclave
Most powerful wearable chip featuring a hardware-isolated Secure Exclave compartment for secure, ephemeral audio processing.
- Input
Audio Intelligence suite
Integrates Sound Recognition (alerts for sirens, alarms, doorbells, crying babies), Live Rewind (15-second conversation transcription via double-press of the Digital Crown), and Siri Recap conversation summaries.
- Design
Apple Watch Hermès Ultra 4 edition
(minor): First Hermès edition created specifically for the Ultra line, featuring an exclusive titanium nautical buckle and marine-inspired bands.
Changed
4- Power
Everyday multiday battery life extended to 50 hours
Normal battery life increased from 42 hours (Ultra 3) to up to 50 hours (more than two full days).
- Power
Low Power Mode battery extended to 84 hours
Extended runtime in Low Power Mode increased from 72 hours to up to 84 hours (3.5 days).
- Power
Extended Workout mode battery extended to 25 hours
Continuous workout tracking with full GPS and heart rate in Extended Workout mode increased by 25 percent (from 20 hours to 25 hours).
- Power
Fast charging speed
15 minutes of fast charging provides up to 18 hours of battery life.
Retained
2- Software
Two-way satellite communications
Emergency SOS via satellite, Find My via satellite, and Messages via satellite included free for two years (carried over from Ultra 3).
- Display
49mm aerospace-grade titanium enclosure
Retains Natural and Black Titanium 49mm chassis, flat sapphire front crystal, 3,000 nits display, 100m water resistance, 40m recreational dive gauge, and customizable Action button.
Canonical predecessor
Apple Watch Ultra 3 Apple Watch Ultra 4