I would say first one is a cockerel and second is a pullet. I also have 4 SLW about 12 weeks and none of them have a wattle that red or pronounced. beautiful birds anyhow =]
BOTH ARE VERY BEAUTIFUL ANDDDDD DUNDUNDUNNNNN COCKERELS. I HAVE A FEW SLW AND THE PULLETS ARE VERY DEFINED IN THEIR LACING ACROSS THE CHEST. COCKERELS TEND TO BE A LITTLE MORE MOTTLED I GUESS YOU CAN SAY. VERY BEAUTIFUL THOUGH