Omega GMT 50th Anv Seamaster
I did the very same thing with the very same watch in 2019. See post #11648 below.
https://www.badgerandblade.com/forum...m_content=ezff
700.00. Came back looking new with a 2 y warranty.
https://www.omegawatches.com/en-us/c...ce-information.
Alternate route- Ryan Bond- Right on Time Watches. Met him at Red Bar here in KC. Had an excellent rep in the group. Recently did my old 6309 Seiko Divers (lube/oil/adjust)
He is Swatch Group (Omega) school trained.
https://www.linkedin.com/in/ryan-bond-70aa21a0