No, the watch has a special charger. The WATCH has a dedicated charging head. Apple Watch has wireless charging function, it is Apple's first mobile device with wireless charging function. The Apple Watch uses a MagSafe-style wireless charger. It magnetically attaches to the back of the Apple Watch and is then charged inductive.
In theory, the Apple Watch charger can charge the phone, but in fact, the power of the Apple Watch is not much smaller than the Apple phone, or it is not recommended to use.