long story short, I’m lost on an issue with an Omega Speedmaster Mark4 service. In a moment of distraction I accidentally dropped the balance bridge during disassembly, and completely messed the hairspring. I couldn’t save the hairspring and had to purchase a brand new old stock balance complete (already cost more than the service …).
With the new new balance installed on the bridge, the timegrapher is showing unstable readings and the balance is slightly off centered, and…
