Can I Wind My Muita Radiant Manually? How Is It Done?

Yes, you absolutely can. If your watch has stopped after a period of not being worn, manual winding is a great way to give it a full power boost. 

Ensure the crown is in its default position (fully pushed in), and then gently turn it clockwise. You will feel a smooth winding sensation. About 20-30 full rotations are usually sufficient to get it started. As the mainspring becomes fully wound, you may feel a slight increase in resistance. Do not force it further.