Apple Watch Ultra 4 - 49mm - Grey

Apple Watch Ultra 4 is the ultimate running and sports watch with multi-day battery life to go the...

Best current price£644.49from PCHUB.UK

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PCHUB.UKApple Grey Watch Ultra 4 Gps + Cellular 49Mm Natural Titanium Case With Tra
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AO.comApple Watch Ultra 4, 49mm Natural Titanium Case with Sand Trail Loop, GPS + Cellular Smartwatch, Gold, S/M
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CurrysApple Watch Ultra 4 Gps Cellular 49Mm Natural Titanium Case With Translucent Gray Ocean Band, Silver/Grey
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EE Tech & GamingWatch Ultra 4 Gps + Cellular Titanium Case Natural
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FreemansApple Grey Watch Ultra 4 Gps Cellular 49Mm Natural Titanium Case With Translucent Ocean Band
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Product Information

Full details

The Apple Watch Ultra 4 is designed for dedicated athletes and outdoor adventurers who require high-performance tracking and long-lasting endurance. It offers industry-leading health monitoring and advanced sports metrics, making it the premier choice for those focused on fitness, recovery, and daily readiness. While it provides unparalleled precision, users should be aware that its large 49mm footprint may feel substantial on smaller wrists during everyday wear.

All features

ColourGrey
Dial Size49mm
SeriesUltra 4
Model Part NumberMJAG4LS/A
BrandApple

Extended Product Information

FAQs

Is the Apple Watch Ultra 4 waterproof?

Yes, it is designed for extreme sports and is suitable for water-based activities, though you should always rinse it with fresh water after swimming in saltwater.

How often does it track HRV?

The watch uses high-frequency monitoring to provide consistent insights into your HRV throughout the day and night.

Can I use this watch with an Android phone?

No, the Apple Watch Ultra 4 requires a compatible iPhone to set up and function fully.

Does it support offline music playback?

Yes, you can sync music and podcasts directly to the watch for playback without needing your phone nearby.

What does the 49mm size mean?

This refers to the vertical height of the watch casing, which indicates a larger display area designed for better visibility during sports.

How do I optimize battery life for long races?

You can enable Low Power Mode during workouts to extend battery duration at the cost of some sensor frequency.

Troubleshooting

Inaccurate heart rate readings

Ensure the band is snug and that the back of the watch is clean; clear away sweat or moisture before re-securing.

Battery draining faster than expected

Check for background app refresh settings and ensure the watch is updated to the latest software version.

Siri not responding correctly

Verify your internet connection and ensure that Siri is configured correctly within the watch settings menu.

Pros and Cons

Pros

  • Industry-leading heart rate sensor accuracy
  • Extended battery life suitable for multi-day use
  • Comprehensive recovery insights via high-frequency HRV
  • Robust build quality designed for extreme sports
  • Intelligent Siri and audio processing features

Cons

  • Large 49mm case may be too bulky for some users
  • Premium feature set carries a higher learning curve
  • Requires regular software updates to maintain AI performance

Setup, Compatibility & Care

Setting up your watch begins with the Apple Watch app on your paired iPhone; ensure your phone is running the latest iOS version to utilize all health tracking features. To ensure consistent heart rate accuracy, wear the strap snugly above your wrist bone but not tight enough to restrict circulation. Care is straightforward: wipe the casing with a soft, non-abrasive cloth after intense workouts to remove sweat and salt buildup. Regularly inspect the sensors on the back of the case to ensure they are free of debris, as an obstructed sensor can interfere with HRV and heart rate accuracy.

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