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Apple Watch Series 4 GPS, 44mm Silver Aluminium Case with Seashell Sport Loop
Series 4 represents a fundamental redesign and re‑engineering of Apple Watch. From the curved corners of the larger, all‑new display to the architecture of the S4 chip, every detail has been thoughtfully considered. Apple Watch has always been a uniquely personal product. And now it’s even more powerful.
The display is the defining feature of Apple Watch, and Series 4 pushes it further than ever.The challenge was to make it bigger without noticeably increasing the size of the case or compromising the battery life. Narrower borders enable a viewing area that’s over 30% larger, while a new display technology called LTPO improves power efficiency, helping you get through the day on a single charge.
Curved corners precisely match the radius of the case, creating a more pleasing, continuous appearance. This also allows imagery and the touch surface to extend to the farthest reaches of the screen.
To take full advantage of the new dimensions of the display, the entire interface has been redesigned to provide more information with richer detail. The new Infograph watch face can accommodate up to eight complications, so you can see more and do more at a glance.
The Digital Crown was invented to provide an easy way to navigate on Apple Watch without obstructing the display. With Apple Watch Series 4, the mechanism has been totally re‑engineered. Haptic feedback now delivers a precise, click-like feel as you scroll. And a titanium electrode built into the top allows you to use the ECG app simply by touching the Digital Crown with your finger.1
Already one of the most intricate systems Apple has created, the Digital Crown on Apple Watch Series 4 adds even more capability into significantly less space. The entire assembly is 30 percent smaller, yet it includes 21 percent more components.
The optical heart sensor has been part of Apple Watch from the beginning, allowing you to quickly check your heart rate. Thanks to an electrical heart sensor (made up of an electrode in the Digital Crown and electrodes on the back crystal), you can use the ECG app to generate an ECG, or electrocardiogram, at any time to share with your doctor.