Pegging jewel holes
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By Neverenoughwatches · Posted
Why did you change the pallet fork ? -
Excellent. Thank you. I knew the power differences in width and thickness, but I was trying to figure out an equivalent mathematically. Having it explained like that makes things much clearer.
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Is the pallet fork aligned with the roller on the balance. Can you post photos how the pallet fork sits in relation to the escape wheel.
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The 3930 is just the reference from GR who make these springs and the X after signifies it's for a auto. So from a google search. 1.45 is the height 7.0 is the size of barrel this will fit from the washer 0.075 is the thickness which is where the strength comes from 240 is the length which equate to running time The critical part is the strength. If you fit a stronger one i.e. 0.085 then the potential is the watch would run faster, especially as these are newer materials. Obviously the height is also significant and you can't fit a higher spring in the barrel, but going down 0.05mm won't make a difference.
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