Apple Watch Series 4 (40mm) is a high-end smartwatch with an outstanding design that’s very lightweight compact, slim and elegant, equipped with lots of features and about 18hrs battery life.
The Watch 4 has now been discontinued, but you can still find it in some stores, it succeeded by the newer Watch 5 model. It’s available in two sizes; 44mm and 40mm, each of these two are available in GPS and Cellular models. The 44mm has a 1.78 inch, while the 40mm has a 1.57 inches LTPO OLED display that’s very bright and colorful to watch. It has the digital rotating bezel with haptic feedback that makes navigation very easy, there’s also a single button and touchscreen support.
You can get the Watch 4 in two materials; aluminum and stainless steel. The aluminum model is available in silver, space gray, and gold, while the stainless steel is available silver, space black (DLC), and gold (PVD). The 22mm/24mm straps are made of elastomer material that’s very comfortable to wear. There’s an Apple Watch Nike+ model available in silver and space gray aluminum and an Apple Watch Hermès model available in polished stainless steel.
Watch 4 comes with a microphone and loudspeaker alongside 16GB storage capacity that allows you to store and stream your favorite tracks from popular services such as Spotify. It’ll keep you connected to all that matters to you, as well as allow you to pay with Apple Pay.
Watch 4 will track your steps, sleep (Third-party app), steps, calories, distance, heart rate, and floors. It’s the first Apple Watch to feature ECG tracking that allows you to track your heart rhythm, this can help you detect the irregular heart rhythm. There’s the Activity ring that monitors your activity level and is able to tell you to stand, move, or exercise.
The battery life of the Watch 4 isn’t all that impressive, you can get about 18hrs of battery life from a single charge.
Apple Watch Series 4 (40mm) Features
|Features||Apple Watch SE
1.78 inches LTPO OLED (44mm)
1.57 inches LTPO OLED (40mm)
|Storage||32GB - Stream or download music|
|Access and download apps directly on watch||Yes|
(50 meters waterproof rating)
|Make payment on the go from watch with Apple Pay||Yes|
|Reply notifications with preset or custom messages||Yes|
|Receive alerts when you receive notifications on phone||Yes|
|Cellular models allow you to make and receive calls and access the internet without connecting to your phone.||No|
|Processor||S5 with 64-bit dual-core processor
(2x faster processor than S3)
You can create and share emojis as stickers in messages or share it via a link.
|Create and Share Watch Faces|
You can create and share a watch face.
|Emergency SOS detects fall detection||Yes|
|International emergency calling||Yes|
This feature allows family members who own an Apple Watch but don't have an iPhone to enjoy all the benefits of an Apple Watch. Multiple smartwatches can be added and managed from a single iPhone.
|Find My App|
This feature alerts you when a family member gets home and can also be used to know the location of your kid or any other family member.
This app will guide you to wash your hands for up to 20 seconds inline with the global health authority's recommendations. It also reminds you to wash your hand when you get home.
|Cycling Map App|
This feature will guide you to choose the best route to follow. It also allows you to search nearby places for stuff like coffee and also tells you ahead when there is an obstruction.
|Preloaded sport modes|
4 new workout modes have been added that can allow you to choose your preferred workout type.
|Count steps, distance, calories, and pace||Yes|
|Count floors climbed||Yes
|Know your orientation with compass||Yes|
|Track heart rhythm with the ECG app||No|
|Track cycle via the menstrual cycle app||Yes|
|Noise hearing app will alert you when the sound is too high||Yes|
|Tracks your heart rate comprehensively||Yes|
|Tracks your sleep comprehensively||Yes|
|Blood oxygen tracking|
Monitors your blood oxygen to how well your blood absorbs oxygen.
|Battery life||About 18 hours|