The Amazing Watch

A guy walks into a bar, sits down next to this beautiful girl and starts looking at his watch. The girl notices this, and asks him if his date is late. "No," he replies. "I've just got this new state of the art watch, and I was just about to test it."

"What does it do?" she asks.

"It uses alpha waves, to telepathically talk to me," he answers.

"What's it telling you now?" she asks.

"Well, it says you're not wearing any panties," he answers.

"Ha!!! It must be broken then, because I am!" she counters.

He slyly replies, "Damn! This silly thing's an hour fast."