- All new health sensing system works with S11 chip
- Most accurate heart rate sensing – 60x more frequent background heart rate reading
- Readiness and vitals with improved HRV
- All-new Siri AI and Audio intelligence
- Up to 14 more hours for up to 50 hours of total battery life
Buy Apple Watch Ultra 4 GPS + Cellular 49mm with Alpine Loop in Singapore
Buy Apple Watch Ultra 4 GPS + Cellular 49mm with Alpine Loop in Singapore. Built for hiking, climbing and outdoor adventures, it combines a secure textile band with a rugged titanium case, precision GPS, advanced health tracking and up to 50 hours of normal battery life.
Why Choose Apple Watch Ultra 4 with Alpine Loop?
The Alpine Loop is designed for users who want a secure and rugged band for hiking, climbing and outdoor training. Its two textile layers are woven together into one continuous piece without stitching, while high-strength yarns reinforce the upper loops.
A corrosion-resistant titanium G-hook fastens through the reinforced loops to provide a dependable fit during active movement and everyday wear.
Rugged 49mm Titanium Design
Apple Watch Ultra 4 features a durable 49mm Grade 5 titanium case in natural and black finishes. Its sapphire crystal display, IP6X dust resistance and MIL-STD-810H testing make it suitable for demanding workouts and challenging outdoor environments.
The customisable Action button provides quick physical control over functions such as starting a workout, marking a segment, advancing to the next interval or turning on the torch.
Navigation and Precision GPS for the Outdoors
Precision dual-frequency GPS supports accurate distance, pace and route tracking during hiking, running and cycling. You can create custom routes, receive turn-by-turn directions, access offline maps and mark important locations using waypoints in the Compass app.
Backtrack can use GPS data to help you retrace your route when you are away from familiar paths, while the Hiking workout records pace, distance, elevation gain and calories burned.
Advanced Health and Fitness Tracking
The Health Sensing System works with the S11 chip to provide frequent heart rate and heart rate variability measurements. A readiness score analyses recent activity, vitals and sleep to indicate whether you may be ready to train or should prioritise recovery.
Other supported features include ECG, Blood Oxygen, sleep tracking, sleep score and high, low or irregular heart rhythm notifications. Feature availability may vary by country, software version and regulatory approval.
Extended Battery Life for Longer Adventures
Apple Watch Ultra 4 delivers up to 50 hours of battery life during normal use and up to 84 hours in Low Power Mode. For endurance activities, it provides up to 18 hours of standard workout tracking or up to 45 hours with Max Extended Workout tracking.
A 15-minute fast charge can provide up to 18 hours of normal use, helping you recharge quickly before your next activity.
Stay Connected with GPS and Cellular
With a compatible mobile service and supported iPhone, you can make calls, receive messages and access supported services without keeping your iPhone nearby. Explore the latest iPhone offers from Singtel and check device and service compatibility before purchase.
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