Apple Watch Series 4 Specifications
Released 2018 · Starting at $399 · Discontinued
Chip
S4 SiP
RAM
1GB
Storage
16GB
Price
$399
Full Specifications
| Specification | Details |
|---|---|
| Price (USD) | $399 |
| Display | 1.78 inch OLED LTPO Retina |
| Chip / Processor | S4 SiP |
| Storage | 16GB |
| Battery | all-day battery |
| Weight | 30.1g (40mm) |
| RAM | 1GB |
| Sensors | Heart rate, ECG, fall detection, GPS |
| Operating System | watchOS 5 |
| Year | 2018 |
| Last Updated | 2026-03-28 |