Seiko automatic chronograph 8R46 strange operation
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Well it's good to know I haven't wasted my time reading that book! Yeah they make everything look so easy on paper, but I can imagine how slightly too much pressure on a balance wheel could have devastating consequences. -
No matter what I did, I could not get the amplitude more than 240 deg. At least there is 0.2 beat error and minus 1-2 s/d. So, probably not the happy end I would have hoped for, but still I think the watch turned out quite nice. You be the judge of that. Thank you everyone for your help! -
By transporter · Posted
its used to lengthen or shorten the suspension spring from the front f the clock dial, this in turn will give regulation to the clock. Try inserting a pocket watch key or even better the double ended key for the clock into the small aperture on the dial at the top and turning it, you will see the suspension block either raise or lower. If it raises the clock will run faster if it lowers the clock will run slower -
Grateful for info regarding the nature & function of the horizontal cog and the unit it's on top of in the picture. It meshes with a vertical cog (enclosed in the unit) on the arbour which is supported at its other end by the back plate of the dial unit to which it is not quite perpendicular... -
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