The Apple Watch 9 Series lets you stay up to date with the newest technological advancements. Its sophisticated sensors monitor your vitals and activities, and its potent processor provides up to two times faster performance. With an always-on display and a battery life of up to 18 hours, you can stay connected. Its emergency calling feature helps you stay safe and secure. 64GB of ROM 1GB of RAM Display size: 1.9 in. 45 M in size Li-Ion 308 mAh battery