I wished I had a much closer look at all the CPCP collection which had many cool gems but this monopoussoir is impossible to resist. Many congrats on landing this one. Itβs CPCP rectangular cousin says hello. You reminded me to give this more wrist time s...
In Switzerland, the complete service costs around 650CHF (around 710$) but I don't know if it is the same in other countries (I think it isn't). To compare, the service for my Pasha (GMT but not a special movement) costed 500CHF. Hope it helps.
Concerning the retail price, I found this watch on a forum and the guy wanted to sell it. He wrote that the retail price was 24,500$ back in the day. Not the most reliable source but it gives an idea.