Is there a watch battery sekler there?

Yes

There's a 99 cent place that sells watch batteries and i believe there is a watch repair place at the side entrance close to the vapor store

There is a watch place bit NEVER shows up. He has peoples merchandise in there from last year too!!

Sure all sorts

There is one guy there that sells watches and another that fixes them. My fiance works at the market

No, but there is a battery warehouse up the street from the flea market. Closer to Merritt Blvd. Its in the Rollarena parking lot