Post edited: I used a 2836-2 simple movement.
Yes, I followed your advise and I looked for a 3055 DW that fits perfectly, it was pretty expensive but it is definitely worth.
@piratezeus:
I cannot remember, as I started collecting parts 6 months ago, but more ore less:
Case: 150 eur
crown + tube: around 60 eur
Dial: 120 eur
Plexi crystal : 40 eur
jubilee: 200 eur
ETA mov: 80 eur
hands: 15 eur
DW: 40 eur!!
everything is NOS, except the case, but it's almost perfect anyway.