The lume on these is awful, the worst on any luminova watch I have owned.
My 08 Tritium dialled SBS has better lume
I would ask Silvermans / CWC directly if they have upgraded the dial.
Edit just checked their website and the lume picture is different to the one they used to use that showed the poor lume
I am guessing they have redialled them.
If so it would be worth a punt.