you'd be surprised....just because they're gen doesnt mean they're perfect. the movement can still screw up. if you paid that much for a gen, you might as well get the warranty with it
Amen to that, if it screws up lets see if you can get the parts to repair it, you see SA parts readily available as there heavily modded pieces in the gen world, you see what happens when something not so available goes tits up ,breitling wont even look at it as they will not release any parts at all.
if you go gen avoid these places 1000%, imo of course!