Vintage Zodiacs

I suppose TS is talking about this one:
https://forums.watchuseek.com/f29/fs-zodiac-aerospace-gmt-pepsi-bezel-4948351.html

Just got a 60's Aerospace GMT. Couple questions

-Did they ever make service dials in the 90's for these watches? The logo appears to be of the newer style writing on the new reissues but its impossible its a new dial since its a 36mm and the new ones are much larger. Its also a sunburst gray dial I have never seen before on a aerospace gmt. Usually I have only seen them in black or white/silverfish. Its a pepsi bezel.

- Are many of the parts from the Seawolf interchangeable with the GMT? for example the mainspring etc.
I hear parts are hard to come by, is it true. Even a mainspring? Is it hard to source parts and any tips?

That is from the early 1960s. NICE family heirloom. Be fure to read my repairs section before winding it though.

This monstrosity showed up
153540567717

Geeze. No way it was recently serviced. Many other things to actively dislike but I see two missing screws visible in the movement. First a case screw corresponding with 1:00 on the dial (upper right in the photo) and second a not sure what it's called (bridge screw? setting screw?) at around 7:00 on the dial. What proper service would leave out a case screw? Less said about the dial the better.

Zodiac would order ebauches for all thei watches. Then they would change parts in house to make them Zodiac signed. In this case a bridge. No big deal here. Take the ebbauche out of the tin, change the bridge, add dial and hands, adjust and time, case it up and send it out. (Ditto for a Sea Wolf movement and a Zodiac rotor for you other guys.)

I feel people get way to tied up in the chronos. One must remember that Zodiac was a small company. IMHO sometimes hand to mouth small. They took on all sorts of special jobs/orders that many larger Swiss companies would not take on, hence the dials with company (country) logos. If they had a contract to fill they would not have let the fact that they had no signed bridges in stock if they had to get stuff out the door and make some money.

I have seen Zodiac Chronos with unmarked movements and even Clebar marked movements. (Just a bridge here, right?) Ditto for a Triple Date Moon Phase. Sometimes even their dress watches.