The ultimate sports and adventure watch. Apple Watch Ultra 4 is the ultimate watch for running, training and adventure, with multiday battery life2 and advanced health and fitness features. Powered by the most accurate heart rate sensing in a wearable1, it delivers valuable insights into stress, recovery and readiness through high-frequency HRV tracking. With Siri AI3 and Audio Intelligence,4 everyday tasks feel more effortless than ever.

Apple Watch Ultra 4-49mm Natural Ti-Sand Trail Loop-M/L

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<ul><li>Watch + Band</li><li>Magnetic Charger</li></ul>

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Multiday battery life – Built for endurance, Ultra 4 delivers ultramarathon battery stamina with up to 45 hours of Max Extended Workout tracking,5 making it ideal for runners, adventurers and all-day training.2 If you need a quick boost, fast charging gives you up to 18 hours of use in around 15 minutes.6Advanced heart health insights – Featuring the most accurate heart rate sensing in a wearable,1 Ultra 4 tracks HRV as often as every five minutes to provide deeper insights into stress, recovery and overall wellbeing, with background heart rate readings every five seconds.Comprehensive health tracking – Gain a deeper understanding of your health with advanced insights and monitoring tools. View overnight health metrics in the Vitals app,7 check your daily sleep score, track your menstrual cycle8 and monitor your blood oxygen levels.9Know your daily readiness – Whether it's time to push harder or take a recovery day, Ultra 4 helps you make informed decisions with a readiness score based on your recent activity, sleep patterns and key health metrics.The ultimate training partner – Designed for distance runners, triathletes, cyclists and strength training, Ultra 4 combines precision dual-frequency GPS with advanced features including Pacer, Heart Rate Zones, Custom Workouts and training load to help you perform at your best.Help when it matters most – Built-in safety features include Fall Detection and Crash Detection.10 When mobile coverage or Wi‑Fi isn't available, satellite communication capabilities can help you contact emergency services.11Siri AI and Audio Intelligence – Use your voice to ask questions, engage in back-and-forth natural conversations, brainstorm ideas and complete tasks naturally with Siri AI.3 Audio Intelligence helps you stay on top of conversations with features like Live Rewind and Siri Recap.4 Siri AI is rolling out in English. Some Audio Intelligence features will be available in beta from late 2026. Usage limits may apply.Rugged by design – Engineered for extreme environments, Ultra 4 features a durable titanium case, a strong sapphire crystal display and water resistance up to 100 metres, making it ideal for swimming, diving and high-speed water sports.12Stay connected without your iPhone – Take calls, stream music and podcasts, and connect with your AirPods all from your watch, even when your iPhone isn't nearby.13<h3>Legal</h3>Apple Watch Ultra 4 requires iPhone 11 or later with iOS 27 or later.1Based on Apple-conducted study of heart rate accuracy, August 2026. Visit <a href='https://www.apple.com/legal/more-resources/docs/Heart_Rate_Accuracy_Study_2026.pdf'>apple.com/HRAccuracy</a>2Battery life varies by use and configuration; see <a href='https://www.apple.com/nz/watch/battery'>apple.com/nz/watch/battery</a> for more information.3Apple 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 <a href='https://www.apple.com/nz/apple-intelligence/'>apple.com/nz/apple-intelligence</a>4Audio 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 <a href='https://support.apple.com/en-gb/148354'>support.apple.com/148354</a>5Workout 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, mobile network, signal strength and many other factors; actual results will vary.6Testing conducted by Apple in July and August 2026 using preproduction Apple Watch Ultra 4 paired with an iPhone; all devices tested with pre-release software, pre-production 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.7The Vitals app is for wellness purposes only and not for medical use.8The 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.9The Blood Oxygen app is for wellness purposes only and not for medical use. The Blood Oxygen app is available on Apple Watch Series 6 and later (excluding Apple Watch SE models) and all Apple Watch Ultra models.10Emergency SOS requires a satellite connection, mobile network 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 a mobile network 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 <a href='https://support.apple.com/en-gb/108374'>support.apple.com/108374</a> and <a href='https://www.apple.com/nz/watch/cellular/'>apple.com/nz/watch/cellular</a> for more information.11Emergency SOS and Find My via satellite are included for free for two years with the activation of Apple Watch Ultra 3 or later. Connection and response times vary based on location, site conditions and other factors. Find My via satellite requires a carrier plan. Satellite connectivity is provided by Globalstar and its affiliates. See <a href='https://support.apple.com/en-gb/123924'>support.apple.com/123924</a> for more information.12Apple Watch Series 2 and later and Apple Watch SE and later have a water resistance rating of 50 metres 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 snorkelling to 6 metres. 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 metres under ISO standard 22810:2010. They may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 metres and high-speed water sports. They should not be used below 40 metres. Water resistance is not a permanent condition and can diminish over time. For more information, see <a href='https://support.apple.com/en-gb/109522'>support.apple.com/109522</a>. Apple Watch Series 8 and later and Apple Watch Ultra models are rated IP6X dust-resistant.13Carrier plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. International roaming is not supported. Check <a href='https://www.apple.com/nz/watch/cellular/'>apple.com/nz/watch/cellular</a> for participating carriers and eligibility. See <a href='support.apple.com/HT207578'>support.apple.com/HT207578</a> for additional setup instructions.Technical specificationsGo to <a href='https://www.apple.com/nz/watch/compare/'>apple.com/nz/watch/compare</a> for a complete set.

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Apple Watch Ultra 4 49mm Natural Titanium

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