The Apple Watch Series 4 Aluminum, released in September 2018, marked a significant upgrade in Apple’s wearable lineup. Featuring a larger, edge-to-edge display and a more powerful S4 chipset, it delivered an enhanced user experience with smoother performance and more health-focused features. The Series 4 also introduced an ECG app, enabling users to monitor their heart health directly from their wrist. With a sleek aluminum body, it remains a popular choice for those seeking a premium smartwatch with advanced capabilities.
The Apple Watch Series 4 Aluminum is equipped with a 1.78-inch Retina LTPO OLED display, providing crisp visuals and excellent brightness of up to 1000 nits. Powered by the Apple S4 chipset, this smartwatch supports a variety of health and fitness features, including heart rate monitoring, accelerometer, and gyroscope. With up to 50 meters of water resistance and a battery life of up to 18 hours, it is designed to withstand everyday use, whether you’re swimming or working out.
Apple Watch Series 4 Aluminum Full Watch Specifications Table
| Specification | Details |
|---|---|
| Model | Apple Watch Series 4 Aluminum |
| Released | September 2018 |
| Weight | 36.7g |
| Dimensions | 44 x 38 x 10.7 mm |
| Build | Glass front, ceramic/sapphire crystal back, aluminum frame |
| SIM | eSIM |
| Display | 1.78 inches, Retina LTPO OLED, 448 x 368 pixels (~326 ppi density) |
| OS | watchOS 5.0, upgradable to watchOS 10.6.1 |
| Chipset | Apple S4 |
| CPU | Dual-core |
| GPU | PowerVR |
| Internal Storage | 16GB |
| RAM | 1GB |
| Main Camera | No camera |
| Sensors | Accelerometer, gyro, heart rate, barometer, ECG certified (region dependent) |
| Battery | Li-Ion 292 mAh, non-removable (1.12 Wh) |
| Charging | Wireless |
| Water Resistance | 50m water resistance |
| Price | About 430 EUR |
Display and Design
The Apple Watch Series 4 Aluminum comes with a 1.78-inch Retina LTPO OLED display, offering stunning clarity and vibrant colors. With a resolution of 448 x 368 pixels, the display is sharp, making it perfect for reading notifications, checking messages, or viewing fitness stats. The screen brightness reaches 1000 nits at peak, ensuring excellent visibility even in direct sunlight. The design features a glass front with a ceramic/sapphire crystal back, ensuring durability and comfort. The aluminum body comes in three colors: Silver, Gold, and Space Gray, catering to different tastes.
Performance and Features
Powered by the Apple S4 chip with a dual-core processor, the Apple Watch Series 4 delivers fast performance, whether you’re navigating apps or tracking workouts. It comes with 16GB of internal storage and 1GB of RAM, offering plenty of space for apps, music, and other media. The Apple Watch Series 4 is equipped with an array of sensors, including an accelerometer, gyro, heart rate monitor, and barometer, to track your fitness and health metrics accurately. Additionally, it includes an ECG sensor, allowing users to record an electrocardiogram directly from their wrist—a feature that is region-dependent based on software availability.
Battery and Charging
The Apple Watch Series 4 Aluminum is powered by a 292mAh battery that lasts up to 18 hours with typical usage, including fitness tracking, notifications, and app usage. It supports wireless charging, making it easy to charge overnight and ensure that it’s ready for the day ahead. Whether you’re on the go or engaging in intense workouts, the battery is designed to support your active lifestyle without frequent recharging.
