What is apple watch 5 44mm?

The Apple Watch Series 5 with a 44mm case size has a 1.78-inch (diagonal) OLED Retina display with a resolution of 368 by 448 pixels. It is powered by Apple's S5 system-on-chip and comes with 32 GB of internal storage. The device features advanced health monitoring technologies such as an electrical heart sensor and an optical heart sensor, as well as an ECG app that can detect atrial fibrillation. The watch is also water-resistant up to 50 meters and has GPS, Wi-Fi, and Bluetooth connectivity. It runs on watchOS 6, which includes features such as an updated Siri, activity trends, cycle tracking, and a standalone app store. The battery life of the device is around 18 hours with typical usage.