I've already told u the v5 looks around 2x5 and the gmt around 3x The mag issue being way undermagenfiied in gens is that rolex somtimes use a gasket that's to small.if u send it in to rsc they put the correct gasket in that give you 2x5 mag. rep cyclops and rep gaskets sucks ar also sucks. Xtal edge also sucks.gen xtal is a must for all reps