Should I worry about this impurities or rust in the movement? (Calibre 36 Monza)

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hello, I want to buy this Tag Monza, but it looks like there are some impurities in the mechanism, I attached a picture can you please tell me if I should warry/buy it or not

 
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Definitely looks like corrosion in a few places. If you can get it cheap enough, it might be worth it but it'll cost quite a bit to have TH service it (it'll require a full M2 service + replacement part cost - probably close to $1K).
 
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Definitely looks like corrosion in a few places. If you can get it cheap enough, it might be worth it but it'll cost quite a bit to have TH service it (it'll require a full M2 service + replacement part cost - probably close to $1K).
I placed a bid at an auction, with commission and all it will be 2500 euro
 
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Definitely looks like corrosion in a few places. If you can get it cheap enough, it might be worth it but it'll cost quite a bit to have TH service it (it'll require a full M2 service + replacement part cost - probably close to $1K).
Thank you for taking the time to offer your input.
 
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Edited thread title to add more descriptive information for search purposes
 
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So it's either the black dial CR5110 or white dial CR5111 Monza that you have there. Not sure if it comes with the original strap, but that bracelet is not original. I think for a full set (box, papers and strap) you should be looking at spending a maximum of EUR 3,500.

For this piece, as suggested already you'll have to send it over for a full service plus parts change which will add to your cost. I suppose you can keep an upper limit of EUR 2,750 inc. commission as your purchase price, beyond which time it would be unreasonable to buy the watch and get it repaired