Apple Watch Ultra 4 - 49mm - Grey

Name: Apple Watch Ultra 4 - 49mm - Grey
Brand: Apple
SKU: d6kpw6jzah
Availability: InStock

The Apple Watch Ultra 4 is built for athletes, adventurers and anyone who demands more from their ...

Best current price£749.00from AO.com

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Apple Watch Ultra 4 49mm Natural Titanium Case GPS + Cellular [2026] Translucent Grey Ocean Band Grey

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Product Information

Full details

The Apple Watch Ultra 4 is designed for high-performance athletes, outdoor adventurers, and individuals who require a rugged, high-end wearable capable of handling extreme conditions. It excels by providing professional-grade health tracking, dual-frequency GPS precision, and an extended battery life that supports multi-day activities, though its larger 49mm footprint may feel cumbersome for users with smaller wrists or those preferring a more discreet aesthetic.

All features

Colour	Grey
Dial Size	49mm
Series	Ultra 4
Model Part Number	X9Z5I
Brand	Apple

Extended Product Information

FAQs

Is the Apple Watch Ultra 4 compatible with older bands?

Yes, it is compatible with most standard Apple Watch bands designed for 44mm, 45mm, and 49mm cases.

Can I use cellular features without my iPhone?

Yes, with an active cellular plan, you can take calls, send texts, and stream media independently of your iPhone.

How deep can I submerge the watch?

The watch is water resistant up to 100 meters, making it suitable for swimming and high-speed water sports, but it is not intended for deep-sea scuba diving beyond recreational limits.

What is the Readiness Score based on?

It is calculated by analyzing your recent activity, sleep quality data, and physiological vital signs.

Does the watch support satellite connectivity?

Yes, it supports satellite communication specifically for emergency texting in areas without standard cellular or Wi-Fi coverage.

Troubleshooting

GPS signal is weak or inaccurate

Ensure you are in an open area away from tall buildings and check that 'Precise Location' is enabled in your iPhone privacy settings.

Heart rate data appears inconsistent

Tighten the band slightly to ensure the sensor maintains consistent contact with your skin, especially during high-intensity movement.

Battery draining faster than expected

Check if background app refresh is enabled for unnecessary apps and disable Always-On display if maximum endurance is required.

Pros and Cons

Pros

Exceptionally durable titanium chassis and sapphire crystal glass
Highly reliable dual-frequency GPS for remote tracking
Comprehensive health metrics including Readiness Score and Vitals
Long-lasting battery life suitable for ultra-endurance workouts
Advanced emergency safety features including satellite messaging

Cons

The 49mm case size is significantly large for smaller wrists
Premium pricing reflects the high-end build and feature set
Heavier weight compared to standard aluminium Apple Watch models

Setup, Compatibility & Care

To set up your Apple Watch Ultra 4, ensure your iPhone is running the latest iOS version and bring it close to the watch to trigger the pairing process. Once paired, calibrate your health sensors by wearing the watch snugly—but comfortably—against the skin to ensure the heart rate monitor remains accurate. For care, rinse the device with fresh water after exposure to saltwater or chlorinated pool water to prevent mineral buildup. Clean the digital crown and side button periodically with a soft brush to ensure they remain free of debris, and use a lint-free cloth to keep the sapphire crystal display free of smudges.