The aluminum case is lightweight and made from 100 percent recycled aerospace-grade alloy. The Sport Band is made from a durable yet surprisingly soft high-performance fluoroelastomer, with an innovative pin-and-tuck closure. As part of our efforts to reach our environmental goals, Apple Watch does not include a power adapter. Included in the box is an Apple Watch Magnetic Charger to USB-C Cable that is compatible with USB‑C power adapters and computer ports.