Can't identify Grandfathers seamaster de ville

[apabecke]

Old watch from grandfather. Know it is missing swiss part on face, and band isn't original. Can someone help identify it, if it is even a real omega

 

[apabecke]

 

[apabecke]

 

[apabecke]

 

[X350 XJR]

Yes it's a real Omega unfortunately the dial has been poorly refinished.

 

[MrFriday*]

It could be a ref. 166.020 and I assume it slso has the wrong crown.

Here is how it should look like:



And the inside of the case before service:

 

[X350 XJR]

MrFriday*

It could be a ref. 166.020

How? It has no date.

 

[MrFriday*]

X350 XJR

How? It has no date.

Thank you! How on earth did I not see that 🤦😀