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@mikepilk glad I found your old post where you asked about exactly this. I have now had the same realization - I don't want to make a practice of marring screwheads. I'd rather undercut or file the slot. What did you decide on? Did you find the right file for the job? Thanks. -
Perhaps further homework needs to be done: Stem, Raketa 2609 RAK2609401 106 In Stock £5.95 EACH Qty Winding Stem ( 401 ), Raketa 2614 RAK2614401 3 In Stock £5.95 EACH -
By LittleWatchShop · Posted
Message received! I have ordered several bottles of Ronsonol!! -
Hi there JD, that is what you call a bumper movement A bumper movement is a type of self-winding, automatic movement. However, unlike a modern automatic, which has the rotor spins a full 360 degrees, a bumper moves back and forth at about 120 degrees.They are fun to wear. You can feel a slight thud as you turn your wrist reminding you that you are wearing a bumper. It is an interesting method to wind the watch that avoids infringing on full rotor patents.Hope that helps Cheers Graziano -
@JohnR725 thanks, yes that's what I was thinking of. What the heck, I'll bite the bullet. @mikepilk yes I would assume I would have to remove the hairspring. Not sure how I'm gonna hold it... Between a stump and a hollow punch on the staking set? Just spitballing here, did not think that far ahead!
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