Apple Watch Ultra 4
> A new health-sensing system >readiness score >more regular HRV readings > extended battery life > New intelligence features enabled by the S11 chip
Talking about Apple's premium sports and adventure smartwatch? That's what Apple Watch Ultra 4 is speaking about these days. It's intended for athletes, outdoor explorers, and anyone who values cutting-edge health data collection, accurate navigation and extended battery life. Featuring a tough titanium body and a bright Always-On Retina display, it unites pro fitness features with Apple's new smart technology.
The big difference in Apple Watch Ultra 4 is its advanced Health Sensing System, personal readiness score, more frequent heart rate variability (HRV) readings and extended workout tracking and all are powered by its S11 chip and watchOS 27. It's designed for marathon training, outdoor activities, swimming, and tracking daily activities. (Apple)

What's New in Apple Watch Ultra 4?
The Apple Watch Ultra 4 is geared toward health insights, heart rate tracking, battery life and intelligent capabilities. The new sensors and S11 chip aims to make workout data and health information more useful.
Key upgrades include:
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Advanced Health Sensing System: Apple claims the system gives it the “most accurate” wearable heart rate sensing.
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More frequent HRV readings: The main benefit is more data on recovery and physiological changes.
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Up to 45 hours of Max Extended Workout tracking
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Siri AI: This time it’s more updated, it adds Apple's more personal and conversational voice assistant to the wrist, subject to language and rollout.
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Satellite communications: It supports selected safety and communication features where available. (Apple Newsroom)
Apple Watch Ultra 4 Technical Specifications
|
Specification |
Apple Watch Ultra 4 |
|
Case Size |
49mm |
|
Case Material |
Grade 5 titanium |
|
Finishes |
Natural, Black |
|
Display |
Always-On Retina OLED with LTPO3 |
|
Peak Brightness |
3,000 nits |
|
Resolution |
422 × 514 pixels |
|
Chip |
S11 |
|
Storage |
64GB |
|
Operating System |
watchOS 27 |
|
Battery Life |
Up to 50 hours of normal use |
|
Low Power Mode |
Up to 84 hours |
|
Extended Workout |
Up to 45 hours in Max Extended Workout mode |
|
Heart Tracking |
Optical and electrical heart sensors |
|
Health Features |
ECG, HRV, readiness, sleep tracking, blood oxygen app |
|
GPS |
Built-in GPS |
|
Water Resistance |
100 metres |
|
Dust Resistance |
IP6X |
|
Recreational Diving |
Up to 40 metres |
|
Connectivity |
Cellular, GPS, satellite features where supported |
|
Weight |
63.0g Natural / 63.1g Black |
Specifications are based on Apple's official technical specifications. Feature availability can vary by region, device, subscription, and software version. (Apple Watch Ultra 4 Specs)
Advanced Health and Fitness Tracking
The new Health Sensing System now monitors heart rate more often, and extra HRV data can provide insight to how well users are recovering and how their physical condition is changing. Apple Watch Ultra 4 has been built to deliver comprehensive fitness data for your daily activity and intense workout.
Key health and fitness features are:
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Heart rate monitoring and high/low heart rate notifications
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ECG app and irregular rhythm notifications
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Sleep tracking, sleep stages, and sleep score
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Blood oxygen measurements where supported
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Workout tracking is much needed for running, cycling, swimming, hiking, and other activities.
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Readiness insights based on recent activity, sleep, and other measurements
GPS, Safety, and Smart Features
The Apple Watch Ultra 4 merges built-in GPS with outdoor navigation and safety features. Satellite communication supports Emergency SOS, Messages, and Find My, but availability depends on location and service. Other safety features include Fall Detection, Crash Detection, an emergency siren, and Backtrack.
Siri Recap, Live Rewind, Sound Recognition and Shazam are also included as audio intelligence features with some of them expected to be released later in the S11 chip. Siri AI is available in languages, devices, and software that are supported. (Apple)
Apple Watch Ultra 4 Price in Bangladesh
It’s not available in Bangladesh yet, but the price of Apple Watch Ultra 4 in Bangladesh depends on availability, the chosen band, import prices, and market conditions. Apple lists the starting price in the U.S. at US$799. The final price in Bangladesh is subject to change.
To find the latest Apple Watch Ultra 4 price in BD, available colour and band variants, and stock availability, visit the iStock BD product page or contact our team.
Frequently Asked Questions (FAQ) About Apple Watch Ultra 4
What is the Apple Watch Ultra 4 price in Bangladesh?
Apple's U.S. starting price is $799 for Apple Watch Ultra 4. But it’s not available in Bangladesh right now. The local price depends on availability, band selection, and market conditions.
How long does Apple Watch Ultra 4 battery last?
Under Apple's worded testing conditions, it provides up to 50 hours of regular use battery life, 84 hours of Low Power Mode, and up to 45 hours of Max Extended Workout mode.
Is Apple Watch Ultra 4 waterproof?
Waterproof to 100 metres and recreational scuba diving to 40 metres. It's not 100% waterproof, and Apple advises users to use it as per its water-resistance guidelines.
What is new in Apple Watch Ultra 4?
There are few new things you will get in this device. A new health-sensing system, readiness score, more regular HRV readings, extended battery life and new intelligence features enabled by the S11 chip.
Where can I buy Apple Watch Ultra 4 in Bangladesh?
You can get it in iStock BD but whenever it will be available in Bangladesh.
| Color |
Black, Natural |
|---|