Sometimes he would look up and watch her for a minute.

He stood watching the water for a minute or two.

He called his wife outside and they both watched for several minutes trying to figure out what it was.

I watched for a minute or two, then turned away.

He watched for several minutes but saw nothing out of the ordinary.

We watched for maybe a minute, but there was no point in talking about it.

Anna watched him for several minutes before he knew she was there.

They continued to stand there watching for several minutes, until it occurred to them that he was dead.

I watched her for a minute, then sort of settled back on the ground.

They watched her for a minute, then turned back to their own affairs.