Apple Watch Series 4 takes a confident step forward in smartphone design since its 2018, September debut. Viewing content on its Retina LTPO OLED, 1000 nits (peak) is a pleasure, with crisp detail and support for high refresh rates. Camera-wise, it includes a dependable front camera, tailored for high-quality selfies and sharp video calls. Paired with nan, the Li-Ion 292 mAh (1.12 Wh), non-removable ensures minimal downtime and faster top-ups when needed. Internal specs include configurations up to 16GB 1GB RAM, allowing seamless performance across apps. Navigation is precise thanks to GPS, GLONASS, GALILEO, QZSS, while Wi-Fi 802.11 b/g/n keeps latency low in busy environments. Apple's design language shines through with finishes like Space Black, Silver, Gold, giving users both form and function.