A man walks into a bar and sits next to a stunning young blonde woman.
The blonde is accustomed to men hitting on her, but this fellow won't even look at her. Instead he continually glances at his watch.
Finally out of frustration at him ignoring her, the blonde says:
"Are you waiting for someone? YOu keep looking at your watch"
"No, I just bought this watch and I am simply fascinated by it"
The blonde looks at his wrist and says "Well it doesn't look so special to me. What makes it so fascinating to you?"
"Well, not only does it tell time, but it also tells me things about whomever I happen to be sitting next to!"
The blonde raises her eyebrows and says "Oh really? Well then, what does it way about me?"
The guy looks intently at his watch for a second and then looks at the blonde before speaking. "Hmm, it tells me that you aren't wearing any panties"
Shocked, the blonde exclaims "Well, that watch is wrong! I am most definitely wearing panties!"
The man taps at his watch and says "This darn thing has been running a half hour fast all day"