The Apple Watch Series 7 45mm smartwatch is equipped with a 296 mAh Li-Ion battery for long and uninterrupted operation. The model is made in a green case made of ceramic and aluminum and is equipped with a removable silicone strap. It fits comfortably on the wrist without creating discomfort or hindering movement. The IPX6 standard defines protection of the case from cracks, impacts, dust and moisture. For comfortable perception of images in a resolution of 484x396, the screen uses OLED technology.