Mystery J.C Penny's 12" b&w

[commodore]

Howdy,
I was hoping someone here could help me determine just when my tv was made. The sticker on the back (that gave info) is gone. When I opened it, I found a crt and board made by G.E and a tag that says this is model number 685-1020f.

The tv still works, gets a good picture and decent sound. I'd eventually like to turn it into a retro monitor for an old Commode vic-20 computer of mine. I know the PC has color capabilities, but I like b&w for nostalgia reasons.

https://ibb.co/4mLC8ND