The Apple Watch Series 4 offers a larger, crisp display that shows more with less bezel, super fast speed and a louder speaker. It adds high and low heart-rate detection, fall detection with SOS trigger and an FDA-cleared ECG app for more detailed heart readings.
LTPO OLED Retina display with Force Touch
S4 with 64-bit dual-core processor
Splash, Water, and Dust Resistant