Provide us your Zenith movementDial, Hands. We do conversion to 4030and complete instalation to S.Scase model 16520 perfect like factory.
S.S. Complete case Sapphire crystalOriginal pusher and crown tube, stainless steel grade 316. perfect like factory
Sapphire crystal for 16520come with crystal gasket
from your zenith movement we conversion to 4030 with macro engraving under balance wheel as welland including top parts under dial, setting bridgemodify like factory pull out only one step like 4030