Apple Watch Ultra 4 (2026)

Apple Watch Ultra 4 (2026): specs, launch, marketing campaign and known flaws.

Front · Back · Provisional illustration

Specs

Reference	—
Chip	—
Highlight	from 799 USD
Price	799 USD
Resistance	IP6X
Fast charging	80 % · 45 min
Wi-Fi	Wi-Fi 4 (802.11n)
Network	5G
Water resistance	100 m (ISO 22810)
Battery life	up to 50 h

Launch

Presented: Apple · September 9, 2026.

Marketing

It debuts the new Health Sensing System with the S11 chip: the most accurate heart rate sensing in a wearable, higher-frequency heart rate and HRV measurements, and a new readiness score. Extended battery life tracks outdoor workouts for up to 45 hours, plus the most accurate on-device GPS in a sports watch. Natural and black titanium case options. Pre-orders opened September 9, 2026, in stores September 18 (Apple Newsroom, 09-09-2026).

Flaws and fixes

Random restarts on new units, fixed by Apple with watchOS 27.0.1 (23-09-2026), per the official update notes. Skin irritation under the new sensor array: some owners report burning and redness (MacRumors, 07-10-2026); the cause is unconfirmed and Apple points to its band fit and hygiene guidance, with some units returned over this.

Indicative price

New (Apple): from €899 (base model) · apple.com

Indicative price checked on 2026-10-28; may vary.

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Updated: October 24, 2026 · Compare this product