About fast charge on Apple Watch - Apple Support

Set up your Apple Watch - Apple Support

Apple Watch Magnetic Fast Charger to USB-C Cable, 3.3

The smallest Apple Watch Fast Charger cuts the cord for maximum mobility - Yanko Design

Apple Watch User Guide - Apple Support

Apple Watch Ultra User Guide - Apple Support

It's a completely sealed system free of exposed contacts. And it's very forgiving, requiring no precise alignment. You simply hold the connector near the back of the watch, where magnets cause it to snap into place automatically.

Apple Watch Magnetic Charging Cable

Apple Watch Series 7 Fast Charging Requires 5W or Greater USB-C PD Adapter - MacRumors

Belkin's fast-charging Apple Watch power bank might be witchcraft - The Verge

If your Apple Watch won't charge or it won't turn on - Apple Support

Charge the MacBook Air battery - Apple Support

Charge Apple Watch - Apple Support

Charge and connect with the USB-C port on your iPad - Apple Support

Apple Support

Charge Apple Watch - Apple Support