Bamboo hairspring? That guy must be genius! God I'm dying right now... Lol!
So... Well I guess I couldn't find anyone nearby that could be trusted then? π
Well lucky mine is still original, but I have no experience with overcoiled hairspring so I'm unable to do the service myself...
Btw shot out to any Indonesian people here, perhaps if one could tell me where, I highly appreciate y'all... π€£