apple watch series 3 full specifications

Apple Watch Series 3 Full Specifications and Features No ratings yet.

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The Apple watch series 3 is an amazing smartwatch starting from the design to the features. It’s a comprehensive smartwatch and a great companion for your phone while still retaining an impressive battery life. It was released in September 2017 and runs on Apple’s proprietary Watch OS.

Apple Watch Series 3 Full Specifications


4 out of 5 stars (4.0 / 5)
3.5 out of 5 stars (3.5 / 5)
Fitness tracking:
4.5 out of 5 stars (4.5 / 5)
4 out of 5 stars (4.0 / 5)
3.5 out of 5 stars (3.5 / 5)
3.9 out of 5 stars (3.9 / 5)


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Device nameApple Watch Series 3
Device typeSporty/Fitness smartwatch
Released dateSeptember, 2017
Ideal forMen 42mm, while the 38mm version looks great on women


Display typeAMOLED
Display size1.65 inches
Screen resolution390 x 312 pixels
Density~303 ppi
Input typeTouchscreen,
a button and a digital crown


Dimension42.5 x 36.4 x 11.4 mm
38 x 36.4 x 11.4 mm
Weight52.8 grams
Casing materialStainless steel frame and composite back
Strap/band materialElastomer
Bezel Material
Band size125 - 210mm (varies)
Screen protectionSapphire crystal glass
Water resistantYes, IP68, 5ATM
Color(s)Black, silver gold


Internal storage8 GB
Memory card slot--


BluetoothBluetooth v4.2
Wi-FiYes, Wi-Fi


SIM slotYes, electronic SIM


Email alertYes
SMS alertYes
Calls alertYes
Event reminderYes
Weather forecastYes
Facebook notifacationYes
Twitter notificationYes
Whatsapp notificationYes


Sleep trackingYes
Heart rate monitoringYes
Distance coveredYes
Steps climbedYes
Calories burntYes
Calories ConsumptionYes


Bluetooth musicYes


Accelerometer Yes
Magnetometer --
Heart rate monitor (HRM)Yes
Gyroscope Yes
Ambient lightYes


Operating system (OS)WatchOS 4.0 upgradable to 5.0
ChipsetApple S3
CPUDual core


Type of batteryNon-removable Li-ion
Battery capacity 279mAh
Battery lifeStandby :2 days + , Mixed usage: 1 day
ChargingMagnetic charging cable
Charging timeAbout 2 hours


Payment systemApple pay
Compatibility iPhone 5s or later with iOS 11 or later
Companion appApple watch app
Customizable watch faceYes
Interchangeable band Yes
Voice commandYes


Apple watch series 3
Magnetic charging cable
User manual

Apple Watch Series 3 Features


The Apple watch series 3 has a nice appealing design that makes it a suitable wearable for almost every occasion. Just in line with the hallmark design of previous Apple watches which has made the brand a global choice.

The series 3 has artistic fine curved finishes with a screen size of 1.65 inches that is powered by OLED retina display.

The case is made of stainless steel and a composite back, there is another version which features an aluminum casing, while the band is made of elastomer material which comes in different sizes, meaning you can customize the watch to fit your style.

Just like Apple watch series 2 and 1, the series 3 comes with four different watch faces pre-installed from which you can choose from. There is digital crown by the side of the watch which the company said was invented to make navigating the device without obstructing the display. The digital crown button is supported by a second button.


Apple watch series 3 uses a lithium ion battery type with 290mAh capacity. On standby, its about 3 days+, while on mixed average usage expect a day of battery life.


With support for both mp3 and mp4 files, the Series 3 features a massive storage space of 8GB which enables you to store your favorite tracks, videos and other files.

The series 3 also has a loudspeaker, which means you can play aloud your favorite media files or alternatively listen through a Bluetooth enabled earbud. There is also a microphone on the series 3 for voice calls and voice commands.

Water Resistance/Protection

The series 3 is water resistant up to 50 meters, it can be worn to the swimming pool or ocean, under the rain, in the shower, however the company advices that diving or subjecting the series 3 to high pressure and force might damage it. It is also advised that you get the device dried up after getting it wet in other to get the best feel.

The screen is scratch resistant, protected with sapphire crystal glass – one of the strongest glass materials used on most high-end smartwatches.

Activity/Fitness tracking

The Apple watch series 3 works in three different modes, the move mode that tells how many calories you have burnt while working out, the exercise mode that shows you how much of activity you have achieved and finally the stand mode that takes care of sedentary periods, reminding you to work helping you live a healthy life style.

With the apple watch series 3 you can track different fitness activities, which includes;

  • Tracking calories burnt after a workout.
  • There has an optical heart rate monitor sensor which is capable of detecting heart rate pulse changes to help you keep up with the general health of your heart.
  • Tracking steps you climbed.
  • It is capable of tracking your sleep and its quality.
  • It is also capable of reminding you of sedentary times and encourages you to walk.

Notifications & Application

The Apple watch series 3 is able to notify you when there is a notification on your iPhone. Notifications include;

  • It notifies you when there is a missed call or an incoming call.
  • It also notifies you when there is a new message on your smartphone.
  • It notifies you when there is a notification from third-party applications such as Facebook and Twitter.

There is a version of the Apple watch series 3 with cellular functionality which enables you to call, send messages right from your wrist making it a standalone device. So you can pick and answer incoming calls, there is also a walkie-talkie feature that lets you call anyone with a walkie-talkie right from the series 3.

The CPU in the Apple watch series 3 is a dual core S3 processor and a 768 RAM for a faster device. The Apple watch series 3 is compatible with iPhone 5s or later and iOS 11 or later. It is not compatible with android or windows smartphones.


  • Stylish sporty design..
  • Lightweight smartwatch, yet great quality.
  • A great choice for fitness tracking.
  • It is swim-proof.
  • Has a quiet impressive battery life.
  • It is a standalone smartwatch.


  • Not compatible with android smartphones.

Editor’s Ratings

Based on our immense research and real users reviews here is our rating on the Apple Watch Series 3 ,

4 out of 5 stars (4.0 / 5)
3.5 out of 5 stars (3.5 / 5)
Fitness tracking:
4.5 out of 5 stars (4.5 / 5)
4 out of 5 stars (4.0 / 5)
3.5 out of 5 stars (3.5 / 5)
3.9 out of 5 stars (3.9 / 5)

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