A 5513 will probably always be easier to sell than a 1016. That doesn't mean it isn't 100 times rarer or a better watch....it just means it isn't as popular.
It has a better movement and they made far less of them.
It's a cool watch and if you have that many subs...why not.
I have the 6610 and it's one of my favorites because you don't see very many...and even fewer really nice ones.
1016 is a cool watch. They go up and down in value. They had a very large very quick run up several years back and then some people got caught holding the ball speculating...so that may make people a little shy...it's a very cool watch and not one you are going to see a lot of around...at least not compared to 5513.