The Apple Watch is a smartwatch that can pair with your iPhone and other Apple devices. It can track your health, fitness, notifications, and more. There are different models and series of the Apple Watch, each with different features and specifications.
The latest series is the Apple Watch Series 8, which was introduced in 2023.
It has a 1.9-inch Always-On Retina LTPO OLED display with a resolution of 396 x 484 and a 45 mm casing size.
Depending on the case material, the display is protected by either Ion-X glass or Sapphire crystal. It also has a S7 chip with 64-bit dual-core processor, a W3 Apple wireless chip, and a U1 chip (Ultra Wideband). It supports GPS, GLONASS, Galileo, QZSS, and BeiDou, Compass, Always-on altimeter, Water resistance up to 50 meters, Blood oxygen sensor (Blood Oxygen app), Electrical heart sensor (ECG app), Third-generation optical heart sensor, International emergency calling, Emergency SOS, Accelerometer up to 32 g-forces with fall detection, Gyroscope, Ambient light sensor, Speaker, Microphone, Apple Pay, and GymKit.
It has a built-in rechargeable lithium-ion battery that can last up to 18 hours. It comes with a 1m Magnetic Fast Charger to USB‑C Cable. The Apple Watch Series 8 is available in different finishes and materials, such as aluminum, stainless steel, titanium, and ceramic. It also comes with different band types and styles, such as sport band, sport loop, leather loop, braided solo loop, modern buckle, link bracelet, milanese loop, and hermès band.
I hope this information helps you learn more about the technical features of the Apple Watch.