Apple Watch Ultra 3 Titanium

Quick Facts

Item	Details
Launch Year	2025
Case Material	Titanium
Available Sizes	49mm
Display	Always-On Retina LTPO OLED Display, up to 3,000 nits
Processor	Apple S10 SiP
Connectivity	GPS + Cellular
Battery Life	Up to 36 hours (up to 72 hours in Low Power Mode)
Water Resistance	100m (WR100), EN13319 Certified
Health Features	Heart Rate, ECG, Blood Oxygen*, Sleep Apnoea Notifications, Temperature Sensing, Crash Detection
Glass	Sapphire Crystal
Storage	64GB
Weight	Approx. 61g
Compatibility	iPhone only

*Blood Oxygen app availability varies by region.

Overview

The Apple Watch Ultra 3 Titanium is Apple’s most advanced smartwatch, built for athletes, outdoor adventurers and professionals who need exceptional durability, long battery life and precise navigation. It combines a rugged titanium case with flagship health features, making it the most capable Apple Watch available.

Powered by the Apple S10 SiP, it features a large 49mm Always-On Retina display, dual-frequency precision GPS, built-in GPS + Cellular connectivity, up to 36 hours of battery life, 100m water resistance and advanced health tracking. When buying a used Apple Watch Ultra 3, check the battery condition, Action Button, Digital Crown, Sapphire Crystal glass and Activation Lock status before making your purchase.

Key Highlights

1. Built for Extreme Adventures

Apple Watch Ultra 3 is engineered for demanding outdoor environments with a rugged titanium case and advanced navigation features.

Why it matters

Highly durable titanium construction
Precision navigation for outdoor activities
Suitable for hiking, trail running and diving

2. Long Battery Life

With up to 36 hours of battery life, Apple Watch Ultra 3 is built for extended adventures and multi-day trips.

Why it matters

Less frequent charging
Ideal for endurance activities
Up to 72 hours in Low Power Mode

3. Apple’s Most Advanced Health Features

Stay informed with Apple’s latest health monitoring and emergency safety technologies.

Why it matters

ECG and Temperature Sensing
Sleep Apnoea Notifications
Crash Detection and Emergency SOS

Key Features Explained

Feature	Specification	Why It Matters
Display	49mm Always-On Retina LTPO OLED Display, up to 3,000 nits	Large and bright display with excellent outdoor visibility
Processor	Apple S10 SiP	Fast performance and improved efficiency
Battery Life	Up to 36 hours (72 hours in Low Power Mode)	Excellent battery life for outdoor adventures
Charging	USB-C Magnetic Fast Charging	Convenient and efficient charging
Water Resistance	100m (WR100), EN13319 Certified	Suitable for recreational diving and water sports
GPS	Dual-Frequency Precision GPS	Highly accurate location tracking
Connectivity	GPS + Cellular	Stay connected without carrying your iPhone
Health Features	Heart Rate, ECG, Temperature Sensing, Sleep Apnoea Notifications, Crash Detection	Comprehensive health and safety monitoring
Glass	Sapphire Crystal	Excellent scratch resistance
Case Material	Titanium	Lightweight, durable and corrosion resistant

GPS + Cellular

The Apple Watch Ultra 3 Titanium comes with GPS + Cellular as standard.

With a supported carrier and mobile plan, you can:

Make and receive phone calls
Send and receive messages
Stream Apple Music
Use Maps and navigation
Stay connected even when your iPhone is not nearby

Compare the Related Models

Feature	Apple Watch Ultra 2 Titanium	Apple Watch Ultra 3 Titanium	Apple Watch Series 11 Titanium	Apple Watch Series 10 Titanium
Launch Year	2023	2025	2025	2024
Display	49mm Retina (3,000 nits)	49mm Retina (3,000 nits)	Wide-Angle Always-On OLED	Wide-Angle Always-On OLED
Processor	Apple S9	Apple S10	Apple S11	Apple S10
Health Features	ECG, Blood Oxygen, Temperature Sensing, Crash Detection	ECG, Blood Oxygen*, Sleep Apnoea Notifications, Temperature Sensing, Crash Detection	ECG, Sleep Apnoea Notifications, Temperature Sensing, Crash Detection	ECG, Sleep Apnoea Notifications, Temperature Sensing, Crash Detection
Battery Life	Up to 36 hours	Up to 36 hours	Up to 18 hours	Up to 18 hours
Storage	64GB	64GB	64GB	64GB
Water Resistance	100m	100m	50m	50m
GPS	Dual-Frequency Precision GPS	Dual-Frequency Precision GPS	Standard GPS	Standard GPS
Connectivity	GPS + Cellular	GPS + Cellular	GPS + Cellular	GPS + Cellular
Glass	Sapphire Crystal	Sapphire Crystal	Sapphire Crystal	Sapphire Crystal
Weight	61.4g	Approx. 61g	Approx. 41g / 47g	41.7g / 47.4g

*Blood Oxygen app availability varies by region.

Which Apple Watch Should You Choose?

Model	Recommended For
Apple Watch Ultra 3 Titanium	Buyers who want Apple’s most capable smartwatch for outdoor adventures and endurance sports.
Apple Watch Ultra 2 Titanium	Buyers looking for flagship outdoor features at a lower price.
Apple Watch Series 11 Titanium	Buyers who prefer a lighter premium smartwatch for everyday wear.
Apple Watch Series 10 Titanium	Buyers looking for flagship everyday features at better value.

Alternatives to Apple Watch Ultra 3 Titanium

If you’re comparing before buying, you may also want to check these related SellUp Marketplace pages:

Common Questions

Is the Apple Watch Ultra 3 Titanium worth buying?

Yes. The Apple Watch Ultra 3 Titanium is Apple’s most advanced smartwatch, combining exceptional durability, advanced health tracking, dual-frequency GPS and long battery life. It’s ideal for outdoor enthusiasts, athletes and anyone who wants the best Apple Watch available.

What is the difference between the Apple Watch Ultra 3 and Apple Watch Ultra 2?

The Apple Watch Ultra 3 upgrades to the Apple S10 processor and introduces newer health features such as Sleep Apnoea Notifications while maintaining the same rugged titanium design, dual-frequency GPS and long battery life. It also benefits from longer future software support.

Is the Apple Watch Ultra 3 Titanium waterproof?

The Apple Watch Ultra 3 has a 100m (WR100) water resistance rating and is certified to EN13319, making it suitable for recreational scuba diving (up to 40 metres), swimming and many water sports. Water resistance may decrease over time with normal use.

Should I buy the Apple Watch Ultra 3 or Apple Watch Series 11?

Choose the Apple Watch Ultra 3 Titanium if you need maximum durability, dual-frequency GPS, 100m water resistance and up to 36 hours of battery life. Choose the Apple Watch Series 11 Titanium if you prefer a slimmer, lighter smartwatch designed primarily for everyday wear.

Why Buy the Apple Watch Ultra 3 Titanium?

The Apple Watch Ultra 3 Titanium is Apple’s ultimate smartwatch, combining a rugged titanium case, Sapphire Crystal display, dual-frequency GPS, exceptional battery life and advanced health tracking. Whether you’re training, travelling or exploring the outdoors, it delivers flagship performance without compromise. Compare Apple Watch Ultra 3 Titanium listings on SellUp Marketplace to find the condition and price that best suit your budget.