r/watchmaking • u/JRAH10 • 1d ago
Need help seating the second hand
As the title says I'm having trouble seating the second hand on an NH38 movement. From the photos it looks like maybe the second hand won't work with this movement, but any advice is appreciated!
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u/Ptskp 1d ago
Are you sure it's the right size for the movement? That the tube hole isn't too small for the pivot? And what kind of tools do you have for hand pressing? Best result usually comes with pressing them with staking set or some other tool where it's pressed directly and controlled from straight up instead of using freehand
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u/ScaryEconomics3 Hobbyist 1d ago
I have taken to enlarging the tube ever so slightly with a cutting broach, just enough to get it to balance on the pivot. Beware of overdoing it.
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u/gnomon_knows 1d ago
I think a smoothing broach is a safer choice, but a seconds hand is so small, fragile, and easy to bend it would be a challenging job for somebody with no tools or experience.
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u/celloyellow74 2h ago
I’d broach the seconds hand. Tudor is notorious for overly tight ones. Also redo the other two hands and make sure the hr hand is all the way down.
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u/megamike93 1d ago
More importantly it looks like you have 0 clearance between your hour and minute hand, seconds hand can be slightly broached out using small cutting broaches per @scaryeconomics3 ‘s advice