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Apple Watch Series 4, for a better you.
The largest Apple Watch display. Electrical heart sensor.
New Digital Crown with haptic feedback.
Apple Watch Series 4
resets the standard for what a watch can be and
help you be even more active, healthy, and connected.
The All-New Design
Curved corners of bigger 40/44mm display precisely match the radius of the case, creating a more pleasing, continuous appearance which is modern, fantastic, classic and scientific.
Two heart rate sensors. Monitor your heart
The optical heart sensor has been part of Apple Watch from the beginning, allowing you to quickly check your heart rate. Thanks to an electrical heart sensor (made up of an electrode in the Digital Crown and electrodes on the back crystal), you can use the ECG app to generate an ECG, or electrocardiogram, at any time to share with your doctor.
Electrical Heart Sensor
Digital Crown Electrode
Back Crystal Electrode
Optical Heart Sensor
Designed for swimming
Apple Watch Series 4 is water resistant to 50 meters and tracks both pool and open-water swimming. Turn the Digital Crown to eject water from the speaker using a burst of sound.
Sensors. A lot.
Lots of sensors assembled in the tiny body of Apple Watch Series 4 to help you go further, work out harder and, the most important, to keep you safe if emergency.
GLONASS, Galileo, QZSS
up to 32 g‑forces
Proactive Health Monitor
Apple Watch Series 4 inspires you to live a healthier life by helping you manage everything from everyday stress to calories burned. At the same time, it monitors your heart rate and lets you know if it detects something of concern. And that sense of security now goes a step further with fall detection and Emergency SOS. Apple Watch has your back - as well as your heart.
ECG on your wrist.
With the ECG app, Apple Watch Series 4 is capable of generating an ECG similar to a single-lead electrocardiogram. It's a momentous achievement for a wearable device that can provide critical data for doctors and peace of mind for you.
Hold your finger on the crown.
Electrodes built into the Digital Crown and the back crystal work together with the ECG app to read your heart's electrical signals. Simply touch the Digital Crown to generate an ECG waveform in just 30 seconds. The ECG app can indicate whether your heart rhythm shows signs of atrial fibrillation - a serious form of irregular heart rhythm - or sinus rhythm, which means your heart is beating in a normal pattern.
read the beats.
Each beat of the heart sends out an electrical impulse. With the ECG app, Apple Watch Series 4 can read and record these impulses by connecting the circuit between your heart and both arms. The resulting ECG waveform, its classification, and any notes you've entered on related symptoms are automatically stored in the Health app on your iPhone. You can share them with your doctor and have a better-informed conversation about your health
Digital Crown Electrode.
The Digital Crown contains a titanium electrode that reads the electrical heart impulses in your fingertip.
Back Crystal Electrodes.
An ultrathin chromium silicon carbon nitride layer applied to the sapphire crystal reads the electrical heart impulses in your wrist.
It has your heart
Unusually high or low heart rates and irregular heart rhythms (known as arrhythmias) could be signs of a serious condition. But many people don't recognize the symptoms, so the underlying causes often go undiagnosed. With new notifications in the Heart Rate app, Apple Watch Series 4 can check your heart and alert you to these irregularities - so you can take action and consult your doctor.
Track all your health data in one convenient place. All your heart data, as well as information from your health and fitness apps, is collected in your iPhone Health app. Activity, sleep, mindfulness, and nutrition are highlighted there in one snapshot
With the accelerometer and gyroscope, Apple Watch Series 4 can detect that you've fallen. When an incident like this occurs, a hard fall alert is delivered, and you can easily initiate a call to emergency services or dismiss the alert. If you're unresponsive after 60 seconds, the emergency call will be placed automatically. Your emergency contacts will then be notified and sent your location.
Emergency SOS allows you to quickly get help. It calls 911, notifies your emergency contacts, sends your current location, and displays your Medical ID badge on the screen for emergency personnel. And Apple Watch Series 4 with cellular does it all even when you're away from your phone.
Ultimate Workout Partner
Apple Watch Series 4 is more than just a sports watch. It's like a trainer that understands the ways you work out - from running to yoga to swimming - and puts every metric you need right on your wrist. With innovations from start to finish line, it's made for the athlete in us all.
Music and podcasts to keep you moving.
Whether it's an album or playlist from Apple Music, or other music Apps, you can stream all the motivation you need, right from your watch. (Airpods sold seperately)
Ready for whatever moves you.
Whether it's training for a marathon or swimming laps at the pool, the Workout app works every way you want to exercise. You can set individual goals, measure your calorie burn, and track your progress over time in the Activity app on your iPhone. Ready? Go.
From a quick jog around the neighborhood to training for a marathon, Apple Watch Series 4 is full of great features to help you get more out of your run. Pace alerts allow you to choose a target pace and get a gentle tap on the wrist that lets you know if you're behind or ahead of where you want to be.
For most popular workouts, Apple Watch senses when you're moving and alerts you to start the Workout app. It even gives you credit for the exercise you've already started. It will also remind you to end your workout, in case you get distracted when you're cooling down.
Cadence lets you see your steps per minute and helps you refine your running technique. A quicker cadence can translate to faster run times and reduced injuries.
This metric constantly updates, allowing you to see your split for the preceding mile at any time.
Comprehensive Activity Tracker
Apple Watch shows your daily movement as three simple metrics: Move, Exercise, and Stand. Together they make up the Activity rings that track your progress all day long. The goal is to close your rings each day.
Never miss your important calendar and messages. Even if you are not availabel to use your iPhone, Apple Watch will notify you by vibrating on your wrist.
Three Rings. One Goal.
Move. Exercise. Stand.
They are the three Activity rings on
Apple Watch, and an essential part of understanding
and measuring all the ways you move through the days.
Move. The Move ring tracks the active calories you burn. Active calories are the ones you burn through all kinds of movement, from taking the stairs at work to playing with the kids.
Exercise. The Exercise ring shows you how many minutes of brisk activity you've done, whether you're working out or just moving at a fast pace.
Stand. Sitting too much can contribute to health problems over time. So Apple Watch keeps you motivated to get up throughout the day.