hello everyone. Greetings from the little island of Puerto Rico.

now to the point. i am a jewelry and watch repair store owner, and recently a client of mine handed me a 1972 Zodiac Astrographic 88D. it is very similar looking as the picture i selected for my profile. he handed me the watch because he was interested in changing it from the yellow case to a white one he has. now i have worked on very similar self-winding (namely Rados) watches, but i am trying to remove the winding wheel so i can pull out the dial and make the change.

the question would be, how exactly do i remove the winding wheel? i have seen some winding wheels need to be unscrewed, some need a pull out after pushing the clamp (the one usually pointed with the arrow, like in the quartz movts), but this is my first time working on this brand and dont want to screw it up.

Thanks in advance.