2836 modding to GMT?

[Sascha]

Hy
I want to how difficult it is to Mod a eta 2836 to
​​​give them an gmt function.

Or witch movement I can use.
Mybe An
2824
Or Miyota 8215

I m a newbie an to make it by my self or if I can buy a complete one, which one to make it easier.
And witch hands!?!?!

Thx

 

[Sascha]

Or can I use an eta 2893 GMT
For a Case for 2836 or 2824.?
Will it fit?