45 clock questions

I was at the local scrapyard today, looking for other things, when i noticed a 45 with a ZR/25 style clock in it...

I have what i assume to be the standard 45 clock with the time in one corner, am i right in thinking that the rest of the display for this style of clock is for the factory fitted cassette/cd player?



is the ZR style clock just out of a ZR, or were they made for the 45 only?...i suppose what im really asking is can i take the clock out of a ZR/25 and put it straight in the 45?



Assuming this is possible, do you have to take the whole centre console out, or can you take out the cd player and get around from underneath?

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