You have to fit a gen balance wheel (with microStella) + gen parachrom(not sure it fits) on a SH balance staff, so you are sure everything works. Alternatively, you can try to swap the whole gen balance assembly, but I’m not sure that the gen roller jewel has the same impulse-size-distance from the pallet fork, and also the heigh of the whole balance is maybe not the same as sh, and you can’t regulate it as the gen, maybe only using washers to reduce endshake ... you have to check the Lower jewel diameter in sh, in case change it for another one correct for the gen balance, and of course the lower incabloc stone.
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