Apple Watch Ultra 4 GPS + Cellular 49mm Natural Titanium Case with Sand Trail Loop - M/L,Model A3579

A BATTERY YOU CAN’T OUTRUN.

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  Battery

  Longest battery life of any Apple Watch. With up to 45 hours of Max Extended Workout◊Refer to legal disclaimers. tracking.

  
  
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  Heart Health

  The Health Sensing System delivers the most accurate heart rate sensing in a wearable.◊Refer to legal disclaimers.

  
  
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  Heart Rate Variability

  More frequent HRV readings help provide insights on stress and recovery.

  
  

• Readiness

  A new personal readiness score tells you whether to rest or put yourself to the test.

  
  

• Running

  Your ultimate running companion with advanced metrics and precision dual‑frequency GPS.

  
  
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  Action Button

  One quick press gives you precise control over customizable functions like starting a workout.

  
  
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  Adventure

  Hike longer. Climb higher. Dive deeper. With pioneering features for every quest.

  
  

• Safety

  Stay connected and safe with Emergency SOS, Crash Detection, Fall Detection, and more.

  
  

Bands

Style for miles.

New materials, new styles, new colors.◊ Refer to legal disclaimers. Redefine your style with the latest collection of Apple Watch bands.

Apple Watch and AirPods

Made for each other.

You can do so much with just Apple Watch and AirPods — all without your iPhone.◊ Refer to legal disclaimers.Take calls, stream music and podcasts, and hear incoming notifications.

◊ Legal Disclaimers

• Bands: Bands for illustrative purposes only and subject to availability.

  
  

• Blood Oxygen: The Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculated and viewed on iPhone in the Health app. The Blood Oxygen app is available on Apple Watch Series 6 and later (excluding Apple Watch SE models) and all Apple Watch Ultra models.

  
  

• Cellular and Wireless: Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check apple.com/watch/cellular for participating wireless carriers and eligibility. See support.apple.com/HT207578 for additional setup instructions.

  
  

• Compatibility: Apple Watch Series 12, Apple Watch Ultra 4, and Apple Watch SE 3 require iPhone 11 or later with iOS 27 or later.

  
  

• Fast Charging: Fast charging is compatible with Apple Watch Series 7 and later, Apple Watch SE 3, and all Apple Watch Ultra models.

  
  

• Feature Availability: Features are subject to change. Some features, applications, and services may not be available in all regions or all languages. See apple.com/watchos/feature-availability for complete list.

  
  

• Heart Rate Sensing: Based on data from an Apple-conducted study of heart rate accuracy, during July and August 2026, utilizing commercially available best-selling wearables available as of June 2026. For more information, visit apple.com/HRAccuracy.

  
  

• Max Extended Workout Tracking: Max Extended Workout turns on Low Power Mode during the workout, and turns off alerts and splits; certain metrics will be unavailable. Testing conducted by Apple in July and August 2026 using preproduction Apple Watch Ultra 4; all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.

  
  

• Power and Battery: Battery life varies by use and configuration. See apple.com/watch/battery for more information.

  
  

• Precision Finding for iPhone: Requires an iPhone and Apple Watch with second‑generation Ultra Wideband chip. Ultra Wideband availability varies by region. For more information, visit support.apple.com/en-us/109512.

  
  

• Satellite: Emergency SOS requires a satellite connection, cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. You can use cellular models of Apple Watch to make an emergency call in many locations, provided that mobile service is available. Some mobile networks may not accept an emergency call from your Apple Watch if your Apple Watch isn’t activated, if it isn’t compatible with or configured to operate on a particular mobile network, if it isn’t set up for mobile service, or if the mobile network does not support emergency calling over IMS. See support.apple.com/108374 and apple.com/watch/cellular for more information.

  
  

• Temperature Sensing: The temperature sensing feature is not intended for medical use. Temperature sensing is available on Apple Watch Series 8 and later, Apple Watch SE 3, and all Apple Watch Ultra models.

  
  

• Vitals: The Vitals app is for wellness purposes only and not for medical use.

  
  

• Water and Dust Resistance: Apple Watch Series 2 and later and Apple Watch SE and later have a water resistance rating of 50 meters under ISO standard 22810:2010. This means that they may be used for shallow-water activities like swimming in a pool or ocean. Series 10 and later can also be used for snorkeling to 6 meters. However, they should not be used for scuba diving, waterskiing, or other high-velocity water sports. Apple Watch Ultra models have a water resistance rating of 100 meters under ISO standard 22810:2010. They may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 meters and high-speed water sports. They should not be used below 40 meters. Water resistance is not a permanent condition and can diminish over time. For more information, see support.apple.com/109522. Apple Watch Series 7 and later and Apple Watch Ultra models are rated IP6X dust resistant.