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The Apple Watch Ultra 4 is Apple's largest, toughest smartwatch, with a 49 mm titanium case and a bright display built for outdoor use. It targets runners and endurance athletes with up to 45 hours of extended workout tracking, fast charging, and denser heart-rate and HRV sampling. It runs watchOS and pairs only with an iPhone. At $699.99 at Amazon as of November 8, 2026, it sits at the low end of its recent new-price range across 11 stores.
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Availability unknownSold by paymore_lexington (99.4% positive, 3,200 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Availability unknownSold by variety_plus_online (99.6% positive, 29,100 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $699.99 on Nov 8 at Amazon; highest $799.00 on Nov 9. Tracked across 11 stores since Nov 8.
Rated 4.3 out of 5 from 118 ratings, buyers largely praise the battery life and rugged build. Complaints center on the size and the iPhone-only limitation.
A battery you can’t outrun. Apple Watch Ultra 4 is the ultimate running and sports watch with multi-day battery life to go the distance. It delivers game-changing health and fitness tracking, enabled by the most accurate heart rate sensing in a wearable. With high-frequency HRV readings for insights on stress, recovery, and your readiness to take on the day. And now every day is more effortless with Siri AI and Audio Intelligence. MULTI-DAY BATTERY LIFE—Ultra 4 is a smartwatch with ultramarathon battery stamina, perfect for runners to go the distance—with up to 45 hours of Max Extended Workout tracking. And you can fast-charge in just 15 minutes for up to 18 hours of use. STAY CLOSER TO YOUR HEART HEALTH—The most accurate heart rate sensing in a wearable, Ultra 4 now measures HRV as often as every five minutes for insights on stress and recovery, and background heart rate readings every five seconds. A FULL-FEATURED HEALTH TRACKER—Better understand your body with advanced health insights. View your overnight health metrics with the Vitals app and get a daily sleep score, track your menstrual cycle, and take readings of your blood oxygen. A battery you can’t outrun. CHECK YOUR READINESS FOR THE DAY—Know when to rest or put yourself to the test. The readiness experience gives you one clear score and can help you determine your capacity to take on the day by analyzing your recent activity, vitals, and sleep. ULTIMATE RUNNING AND WORKOUT COMPANION—A superior fitness tracker for distance running, triathlons, mountain biking, strength training, and more. Ultra 4 has precision dual-frequency GPS, Pacer, Heart Rate Zones, Custom Workouts, training load, and more. KEEP HELP CLOSE AT HAND—A smartwatch that puts your safety first. Ultra 4 can detect a hard fall or severe car crash. If you don’t have cell service or Wi-Fi, built-in satellite communications let you text emergency services to get help. SIRI AI AND AUDIO INTELLIGENCE—Using just your voice, engage in natural, back-and-forth conversations, brainstorm ideas, and more with Siri AI. Audio Intelligence helps catch what you missed and summarize conversations with Live Rewind and Siri Recap. Siri AI is rolling out in English. Some Audio Intelligence features coming in beta late 2026. Usage limits may apply. RUGGED AND READY TO GO—Ultra 4 is built for extreme environments with a tough titanium case and a strong sapphire crystal display. Water resistant up to 100m, this smartwatch is great for swimmers, divers, and fans of high-speed water sports. THE FREEDOM OF CELLULAR—With just your smartwatch, you can take and make calls, stream music and podcasts, and listen with your AirPods—even without your iPhone. In The Box Case Band 1m Magnetic Charging Cable Legal Apple Watch Ultra 4 requires iPhone 11 or later with iOS 27 or later. Based on Apple-conducted study of heart rate accuracy, August 2026. Visit apple/HRAccuracy. Battery life varies by use and configuration. See apple/watch/battery for more information. Apple Intelligence is available with Siri and device language set to Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, Swedish, Turkish, or Vietnamese. Some features may not be available in all regions or languages. Some devices may not be available in all regions. Siri AI is available in beta in watchOS 27 and requires an Apple Intelligence–enabled device set to a supported language. Available in English to start. Siri AI will not be initially available in the EU on watchOS. Certain Apple Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Siri AI. Daily limits may vary by feature, request complexity, system demand, system policies, and other factors. Expanded access to such features will be available for a fee in the future. Use of these features is subject to the Apple Intelligence Terms and Conditions. Learn more at apple/apple-intelligence. Audio Intelligence includes Live Rewind, Siri Recap, Sound Recognition, and faster Shazam and requires Apple Watch Series 12 or Apple Watch Ultra 4. Live Rewind and Siri Recap will be available in beta in late 2026 and require an Apple Intelligence–enabled iPhone 16 or later (excluding iPhone 16e). Will be available in English to start and will not initially be available in the EU. Certain Audio Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Live Rewind and Siri Recap. For more information, visit support.apple/148354. Workout tested without iPhone and with heart rate sensor on during outdoor run workout sessions. Extended Workout turns on Low Power Mode during the workout; running form metrics will be unavailable. 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. Testing conducted by Apple in July and August 2026 using preproduction Apple Watch Ultra 4 paired with an iPhone; all devices tested with prerelease software, preproduction Apple Watch Magnetic Fast Charger to USB-C Cable (Model A3277), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with adapter, region, settings, initial battery levels, usage, and environmental factors; actual results will vary. The Vitals app is for wellness purposes only and not for medical use. The Cycle Tracking app should not be used for birth control or to diagnose a health condition. Cycle deviation notifications inclusive of perimenopause are for people 40 years old or older. The Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculat
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