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Apple watch Series 1
Jony Ive,developed it. Pre-orders for the Apple Watch began on April 10, 2015, with the official release on April iFeatures:
Splash resistant1
Heart rate sensor.
Accelerometer.
Gyroscope.
Ambient light sensor.
Capacity 8GB.
Composite back -
Apple Watch series 2
The Apple Watch Series 2 was a second generation water resistent smartwatch designed and produced by Apple Inc. It was released on September 16, 2016, alongside the iPhone 7, which also was the first iPhone to be water resistent. -
Apple Watch Series 3
The Apple Watch Series 3 is a 3rd generation smartwatch of the Apple Watch lineup that was designed and produced by Apple. It was launched on Septemer 12, 2017 alongside the iPhone 8/8 Plus and iPhone X at Apple's annual September event in the Steve Jobs Theater. Apple Watch Series 3 (GPS) lets you send and receive text messages, answer phone calls, and receive notifications when it's connected to your iPhone via Bluetooth and Wi-Fi. -
Apple Watch Series 4
The Apple Watch Series 4 offers a larger, crisp display that shows more with less bezel, super fast speed and a louder speaker. GPS, GLONASS, Galileo, and QZSS.
Barometric altimeter.
Water resistant. 50 meters1
Electrical heart sensor.
Optical heart sensor.
Improved accelerometer. up to 32 g-forces.
Improved gyroscope.
Ambient light sensor. -
Apple Watch Series 5
Apple Watch Series 5 is available in a wider range of materials, including aluminum, stainless steel, ceramic and an all-new titanium. Combined with the power of watchOS 6, users are empowered to take charge of their health and fitness with new features like Cycle Tracking, the Noise app and Activity Trends. -
Apple Watch Series 6
New health and fitness features, including low-range VO2 Max, sleep tracking, automatic handwashing detection, and new workout types, can help users better understand overall well-being. Conveniently accessible on the wrist, Maps includes cycling directions and Siri offers language translation. -
Apple Watch Series 7
Overall, the Apple Watch Series 7 is a minor upgrade over the Apple Watch Series 6, offering larger displays and casing sizes, new color options, improved durability, the S7 chip, and faster charging. -
Apple Watch Series 8
Introducing temperature sensing for deeper insights into women's health. Crash Detection to get help in an emergency. Sleep stages to better understand your sleep. And new ways to train using the enhanced Workout app.