Apple Watch Ultra 4

Apple Watch Ultra 4 — The Ultimate Sports & Adventure Watch

Take on everyday life, intense workouts and outdoor adventures with Apple Watch Ultra 4. Built with a rugged 49mm Grade 5 titanium case and a flat sapphire crystal display, Ultra 4 combines durability with a bright Always-On Retina display reaching up to 3,000 nits. Powered by the S11 chip and featuring Apple's advanced Health Sensing System, Siri powered by Apple Intelligence and precision dual-frequency GPS, it delivers powerful fitness, health, safety and connectivity features. With up to 50 hours of normal use and up to 45 hours of Max Extended Workout tracking, Apple Watch Ultra 4 is designed for users who demand long-lasting performance from their smartwatch.

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Key Specifications

⌚ Case: 49mm Grade 5 titanium case, available in Natural and Black titanium

📱 Display: Always-On Retina LTPO3 OLED display, 422 × 514 pixels, 326ppi, up to 3,000 nits peak brightness, 1 nit minimum brightness

💎 Display Protection: Flat sapphire crystal

⚙️ Processor: Apple S11 chip with 64-bit dual-core processor and 4-core Neural Engine

💾 Storage: 64GB

🤖 Smart Features: Siri powered by Apple Intelligence, Audio Intelligence features and advanced on-device capabilities

❤️ Health Features: Third-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, temperature sensor, ECG, heart rate monitoring, HRV, sleep tracking, sleep apnoea notifications and Readiness app

🏃 Fitness: Custom workouts, Training Load, Heart Rate Zones, VO₂ max, Race Route, Pacer, multisport workouts and advanced running metrics

🧭 GPS: Precision dual-frequency GPS with GPS, Galileo, QZSS and BeiDou

📡 Connectivity: Wi-Fi 4, Bluetooth 5.3, second-generation Ultra Wideband and cellular connectivity

📶 Cellular: GPS + Cellular with RedCap 5G and LTE support

🔋 Battery: Up to 50 hours of normal use and up to 84 hours in Low Power Mode

🏋️ Workout Battery: Up to 18 hours standard workout tracking, 25 hours Extended Workout and 45 hours Max Extended Workout

⚡ Charging: Fast charging, up to 80% in approximately 45 minutes; 15 minutes provides up to 18 hours of normal use

💧 Water Resistance: WR100, suitable for swimming, snorkelling, high-speed water sports and recreational scuba diving to 40 metres

🛡️ Dust Resistance: IP6X

🏔️ Durability: Tested to MIL-STD 810H for extreme environmental conditions

🔊 Audio: Dual speakers, three-microphone array with beamforming and wind noise mitigation, plus built-in Siren

🎛️ Controls: Customisable Action button, Digital Crown with haptic feedback, Side button and wrist gestures

📐 Dimensions: 49mm height × 44mm width × 12mm depth

⚖️ Weight: 63.0g Natural titanium / 63.1g Black titanium

📱 Compatibility: iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later

🎨 Finishes: Natural titanium and Black titanium

Why Buy From 8TH AVE MOBILE?

✨ Brand-new & genuine Apple products

🛡️ Official Apple warranty included

💰 CDC vouchers, PayNow, SG60 & LifeSG accepted (0% fee)

💳 Visa / MasterCard / Amex / UnionPay (local +3%, international +4%)

📱 Buy Now Pay Later — Atome, Grab PayLater, Shopee PayLater

🔄 Trade in your old device — offset your upgrade cost further

📦 Standard Delivery: 2–3 working days · 🚀 Instant Delivery (+$20): within 4 hours

🏪 Store Pick-Up @ AMK: 12 PM – 8 PM daily

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Frequently Asked Questions

Is the Apple Watch Ultra 4 brand new?

Yes — this listing is for a brand-new Apple Watch Ultra 4. It is not a Certified Pre-Owned or Second Life device.

What size is the Apple Watch Ultra 4?

Apple Watch Ultra 4 features a 49mm titanium case with a 44mm width and 12mm depth.

How long does the Apple Watch Ultra 4 battery last?

Apple rates it for up to 50 hours of normal use, up to 84 hours in Low Power Mode and up to 45 hours of Max Extended Workout tracking.

Is Apple Watch Ultra 4 waterproof?

Apple Watch Ultra 4 is rated WR100 and supports recreational scuba diving to 40 metres under the applicable standards. It is also IP6X dust resistant.

Does Apple Watch Ultra 4 support cellular connectivity?

Yes. GPS + Cellular models support cellular connectivity alongside Wi-Fi, Bluetooth 5.3 and precision dual-frequency GPS. Cellular and network availability varies by region and carrier.

Does Apple Watch Ultra 4 support Apple Intelligence?

Yes. With watchOS 27, Apple Intelligence powers Siri AI on Apple Watch, while the S11 chip also enables Audio Intelligence features. Availability of individual features may vary by region and language.

Can I use Apple Watch Ultra 4 for diving?

Yes. It supports recreational scuba diving to 40 metres and includes a depth gauge and water temperature sensor.

Does Apple Watch Ultra 4 support fast charging?

Yes. It can charge up to 80% in approximately 45 minutes, and a 15-minute charge can provide up to 18 hours of normal use under Apple's testing conditions.

What iPhone is required for Apple Watch Ultra 4?

Apple Watch Ultra 4 requires an iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later.

Does Apple Watch Ultra 4 come with Apple warranty?

Yes — brand-new Apple Watch units come with Apple's official warranty coverage, subject to Apple's warranty terms and activation status.

Can I trade in my old device?

Yes! You can trade in your existing Apple Watch, iPhone or other eligible device and use the trade-in value to offset the cost of your new Apple Watch Ultra 4.

Can I pay with CDC vouchers?

Yes — CDC vouchers, PayNow, SG60 and LifeSG credits are accepted with 0% fee.

Do you offer delivery in Singapore?

Yes. Standard delivery takes approximately 2–3 working days, while Instant Delivery is available for an additional $20 and can arrive within 4 hours, subject to availability and delivery conditions.