GS "White Birch" Hi-Beat running VERY fast..

[Pius XIII]

Originally Posted by HAL330

I'm having a master watch maker who's worked on GS look at it tomorrow and test it on a tomograph and see if the "lines are such that it's adjustable" ..

I'll post what I learn.

From what I’ve read I don’t think you’ll get any accurate measurements on the timegrapher with the new hi beat movements due to the dual impulse escapement. I’m still eager to hear what you find out.