Finally bought a Sea-gull tourbillon. It's mesmerizing! It's +10 on the timegrapher so not too bad. I got a 9105 to +1 from -15 the other day, but I think I'll leave this be, just in case.
Going through my perlon phase.
You can see why I use the word mesmerizing here.
https://youtu.be/pB4G4XNn8FI