Shape of chamois is different for sure (think women's vs men's saddle). I'm sure they're cut differently as well, though how that would impact fit would largely depend on your body type. But hey, if you can find 'em on the cheap, give it a shot. Who knows?
__________________
A race bike in any era is a highly personal choice that at its "best" balances the requirements of fit, weight, handling, durability and cost tempered by the willingness to toss it and oneself down the pavement at considerable speed. ~Bandera