Service, Repair & Adjustment Techniques (Not Timing or Regulation)
Discussing subjects relating to servicing, making adjustments and repairs to watch parts and movements and fitting balance staffs. This section is not for timing or regulation discussion. To discuss Regulation or Timing please go here.
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One purpose of recolleting is to align the point that spring leaves the collet with the stud, obviously collet center is to fall on this line of alignment. In case the collet already aligns Ok, but it doesn't fit the staff, broach. I have seen collets just glued to the staff when its hole is too big. -
Wow, this is an excellent document!! Super useful. -
Oh wow, that does look right! You're a hero. Amazing reference book you have there!! What is that?
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By nickelsilver · Posted
Not so fast- (didn't realize how many makers made this shape)- it actually appears to be a Nouvelle Fabrique (Tavannes) S.A. -
Thank you @nickelsilver ! Definitely close! The differences may just be superficial/decorative (differences in train bridge and balance cock shape). For me, the question is if I'd find the exact spare part for the exact movement (balance staff, ideally with spring or even entire cock). Or if I should just find another movement entirely that fits into the watch. The Lorsa 514 would then fit well (by it's external dimensions) and it's dirt-cheap on eBay.
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