Apple Watch Ultra 4 Titanium

Quick Facts

Overview

The Apple Watch Ultra 4 Titanium is Apple's most capable rugged smartwatch, designed for athletes, outdoor enthusiasts, divers and users who want maximum battery life and durability from an Apple Watch.

It features a 49mm Grade 5 titanium case with a flat Sapphire crystal display. The Always-On Retina display uses wide-angle OLED and LTPO3 technology, reaches up to 3000 nits peak brightness and can reduce to 1 nit in darker environments.

The Ultra 4 is powered by Apple's S11 chip with a 64-bit dual-core processor, 4-core Neural Engine and 64GB storage.

Battery life is one of its biggest strengths. Apple rates the Ultra 4 for up to 50 hours of normal use and up to 84 hours in Low Power Mode. It also supports extended outdoor workout modes for longer activities.

For outdoor use, the Ultra 4 includes precision dual-frequency GPS, satellite connectivity, cellular connectivity, a customizable Action button, built-in Siren, compass, altimeter, depth gauge and water temperature sensor.

It also includes Apple's latest health features, including ECG, Blood Oxygen, Recovery HRV, high-frequency background heart-rate tracking, sleep tracking, sleep score and sleep apnoea notifications.

Key Highlights

1. Up to 50 Hours of Battery Life

The Apple Watch Ultra 4 provides the longest standard battery life of the current Apple Watch range.

Why it matters:

• Up to 50 hours of normal use

• Up to 84 hours in Low Power Mode

• Up to 18 hours of outdoor workout tracking

• Extended Workout mode provides additional battery options for longer activities

• 15 minutes of charging provides up to 18 hours of normal use

The longer battery life is particularly useful for hiking, travelling, endurance sports and overnight health tracking.

2. Built for Outdoor Activities and Diving

The Apple Watch Ultra 4 combines a Grade 5 titanium case with WR100 water resistance, Sapphire crystal and advanced outdoor sensors.

Why it matters:

• WR100 water resistance

• Suitable for recreational scuba diving down to 40m

• Precision dual-frequency GPS improves outdoor location tracking

• Built-in depth gauge and water temperature sensor support water activities

• Action button provides quick access to selected functions

The Ultra 4 also includes a built-in Siren that can help attract attention in an emergency.

3. S11 Chip with Satellite and 5G Connectivity

The Apple Watch Ultra 4 uses Apple's S11 chip and supports cellular, 5G and satellite connectivity.

Why it matters:

• S11 provides Apple's latest smartwatch processing platform

• 5G provides faster supported cellular connectivity

• Cellular connectivity allows supported functions without your iPhone nearby

• Satellite connectivity provides additional communication options when cellular and Wi-Fi are unavailable

• Siri AI and Apple Intelligence features provide additional on-device and connected functionality

Key Features Explained

Compare the Apple Watch Ultra Models

Which Apple Watch Ultra Should You Choose?

Alternatives to the Apple Watch Ultra 4 Titanium

If you are comparing before buying, you may also want to consider these competing premium smartwatches on SellUp Marketplace:

• Apple Watch Ultra 2 Titanium - A strong value alternative for iPhone users who still want a 49mm titanium case, Sapphire crystal, dual-frequency GPS and long battery life.

• Samsung Galaxy Watch Ultra 2025 - A premium rugged alternative for Android users with a titanium case, dual-frequency GPS, LTE, 10ATM water resistance and long battery life.

• Samsung Galaxy Watch Ultra 2 - A newer Android alternative for buyers who want a rugged titanium smartwatch with LTE, a bright AMOLED display and long battery life.

Common Questions

1. What is new on the Apple Watch Ultra 4?

The Apple Watch Ultra 4 introduces the S11 chip and increases battery life to up to 50 hours of normal use and up to 84 hours in Low Power Mode.

It also builds on the Ultra range with 5G cellular support, satellite connectivity, Apple's latest health features and Siri AI.

2. How long does the Apple Watch Ultra 4 battery last?

Apple rates the Ultra 4 for up to 50 hours of normal use and up to 84 hours in Low Power Mode.

For outdoor workouts, Apple rates it for up to 18 hours of standard outdoor workout tracking, with additional Extended Workout modes available for longer activities.

3. Is the Apple Watch Ultra 4 better than the Ultra 3?

The Ultra 4 improves several areas over the Ultra 3.

It moves from the S10 chip to S11 and increases normal battery life from up to 42 hours to up to 50 hours. Low Power Mode increases from up to 72 hours to up to 84 hours.

Both models provide a 49mm Grade 5 titanium case, 3000-nit display, precision dual-frequency GPS, satellite connectivity, 5G capability and WR100 water resistance.

The Ultra 3 may still provide better value if these improvements are not important to you and it is available at a significantly lower price.

4. What colours are available for Apple Watch Ultra 4 Titanium?

Apple Watch Ultra 4 is available in two Grade 5 titanium finishes:

• Natural Titanium

• Black Titanium

5. Can I dive with the Apple Watch Ultra 4?

Yes. Apple Watch Ultra 4 has WR100 water resistance and supports recreational scuba diving down to 40m.

It also includes a depth gauge and water temperature sensor.

6. Does Apple Watch Ultra 4 support 5G?

Yes. Apple Watch Ultra 4 supports 5G cellular connectivity.

A compatible carrier and mobile plan are required for cellular services.

7. Does Apple Watch Ultra 4 work without an iPhone nearby?

Yes, for supported functions.

With cellular connectivity and a compatible mobile plan, the Ultra 4 can make and receive calls, send messages and use supported online services without the paired iPhone nearby.

Satellite features can also provide supported communication functions when cellular and Wi-Fi networks are unavailable.

8. Does Apple Watch Ultra 4 support ECG and Blood Oxygen?

Yes. Apple Watch Ultra 4 supports ECG and Blood Oxygen features where these services are available.

It also provides heart-rate monitoring, Recovery HRV, temperature sensing, sleep tracking, sleep score and sleep apnoea notifications.

9. Is Apple Watch Ultra 4 good for hiking and outdoor sports?

Yes. Outdoor activities are one of the main reasons to choose the Apple Watch Ultra 4.

It provides precision dual-frequency GPS, long battery life, compass, altimeter, Action button, Siren, satellite connectivity and a bright 3000-nit display.

These features make it particularly suitable for hiking, trail running, cycling and other outdoor activities.

10. Is Apple Watch Ultra 4 suitable for everyday wear?

Yes, but it is significantly larger and heavier than a standard Apple Watch Series model.

The Ultra 4 has a 49mm case and weighs approximately 63g without the band.

Users who prefer a smaller and lighter watch for everyday and overnight wear may prefer an Apple Watch Series model.

11. Is the Apple Watch Ultra 4 Titanium worth buying?

The Apple Watch Ultra 4 Titanium is worth considering if you want Apple's most capable smartwatch and will make use of its longer battery life, rugged construction, precision GPS, outdoor features or diving capabilities.

Its main strengths are the Grade 5 titanium case, 3000-nit Sapphire crystal display, S11 chip, up to 50-hour battery life, precision dual-frequency GPS, satellite connectivity, 5G, WR100 water resistance and recreational diving support.

If you mainly use your Apple Watch for notifications, everyday workouts and health tracking, a standard Apple Watch Series model may provide better value.

Why Buy the Apple Watch Ultra 4 Titanium?

The Apple Watch Ultra 4 Titanium is best suited to iPhone users who want maximum battery life, durability and outdoor capability from an Apple Watch.

Its biggest improvement is battery life. Apple rates it for up to 50 hours of normal use and up to 84 hours in Low Power Mode, making it more suitable for long outdoor activities, travel and extended periods away from a charger.

The Grade 5 titanium case, flat Sapphire crystal display, WR100 water resistance, precision dual-frequency GPS and satellite connectivity make it particularly suitable for hiking, endurance sports and outdoor activities.

For divers and water-sports users, it supports recreational scuba diving down to 40m and includes a depth gauge and water temperature sensor.

Compared with the Apple Watch Ultra 3, the Ultra 4 mainly improves battery life and moves to the newer S11 platform. Buyers who do not need these upgrades may find the Ultra 3 or Ultra 2 more cost-effective.

Compare Apple Watch Ultra 4 Titanium listings on SellUp Marketplace to find the colour, condition and price that suits your needs.