Pallet Jewel Lubrication and Amplitude
Amplitude is the big thing in watch adjusting. If the balance wheel doesn’t swing at least 270 degrees dial up and down and at least 220 degrees in the vertical… Read more »
Tag: Moebius 9415
Amplitude is the big thing in watch adjusting. If the balance wheel doesn’t swing at least 270 degrees dial up and down and at least 220 degrees in the vertical… Read more »