Series 4 Apr 2026

This model turned the Apple Watch into a certified medical tool.

Every model featured a black ceramic and sapphire crystal back for better cellular reception. 📉 The Legacy

Are you writing a on Apple's design evolution? Series 4

Over 30% more screen area with rounded corners.

Internals were overhauled to match the ambitious new software. This model turned the Apple Watch into a

Automatically calls emergency services if you are unresponsive after a fall.

50% louder than previous models for clearer calls and Siri. released in 2018

The Apple Watch Series 4, released in 2018, remains a landmark in wearable history. It was the first major redesign of the device, shifting it from a "luxury gadget" to a "critical health companion." ⌚ The Modern Face of Apple Watch