Thanks for all the kind words and suggestions guys! Once again, thank you for your kind referral "t"! If it wasn't you who gave me the helping hand by explaining the work needed and who will be able to perform the mod, this project will not be able to finish or will sit for months.
As for the caseback, I received pics from VDB after completion of the watch but I actually prefer a plain caseback as oppose to engraved version. I think the gear void is ok to me as I think the gen 203 only has 2 gears on the back without the alarm gear void just a plain platform there. I am happy with this watch which has a 7.5 days power reserve, considering the movement is at such age already, no complain.
Cheers,
William