Monitor your health and daily activity with built-in heart rate monitor - Stay connected with messages, calls and notifications from your iPhone - Functional apps including Apple Pay, Maps & BBC News - Premium design with OLED Retina display with Force Touch New dual-core processor The Apple Watch Series 1 features a new S1P dual-core processor for improved speed and multitasking than the previous generation Apple Watch.
|Battery / Talktime|
|Battery||Non-removable Li-Ion 205 mAh battery (0.78 Wh)|
|Dimensions||38.6 x 33.3 x 10.5 mm|
|Resolution||340 x 272 pixels|
|Operating System||watchOS 1.0, upgradable to v3.1.1|