Here is a video of my DG3804, that: Dropped into a GEN Case. Even the datewheel aligns with GEN Dials out-of-the-box. No overlay used. (True, not silver, but felt the "serviced DW replacement look worked).
DG3804 PRO's:
Drops into Gen Case with slightly sanded Stilty ring or Yuki 1575 adapterDatewheel aligns with Gen DialDatewheel mechanism easily modifiable (Stock white/black numbers can be sanded off revealing silver area for overlay decal)Mercedes Hands readily available. A Gen GMT hand could be adapted.Slow Beat 21.6. (ETA 2836 mods are high beat / wrong, and NO BETTER as it is not a factory ETA, and never Swiss)If it fails / dies, R&R it for under $30.