Is it too big for my wrist?

This is my dad's watch. He is not using it anymore so I'm planning to wear it. How does this look on my wrist? I know it's big for me but is it unwearably big?

This is my dad's watch. He is not using it anymore so I'm planning to wear it. How does this look on my wrist? I know it's big for me but is it unwearably big?