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By nevenbekriev · Posted
Of course, donor movement is needed, but the balance/hairspring assembly itself can be saved. OP, You just have to use tweezers and needle to straighten and two tweezers to untwist if needed to rectify the outer coil. What is seen in the middle may be is because the stud pressed to the spring, but we will need pictures after outer coil rectifying. The regulator and stud carrier are snapp-fitted on the antishock assembly. Lift and pry them together with some sharp tool and they will come off. -
A good learning piece but think for the price of a new movement that's all it is. Probably just transfer the rotor if it's Citizen branded. -
I'm no expert, but I'd guess this one is for the bin. Looks like it's been tinkered with by someone armed with a hammer and chisel. When the pallet, escape wheel and balance are all damaged it's beyond repair isn't it? Or a new movement if the watch itself is of value. -
No need for special tools. Loosen stud screw and just push hairpsring stud out of the hole. Regulator arm is spring circled around the setting housing, insert cutting edge of a safety blade under it, opposit ( 180 degrees) to regu arm itself, and pry half of the circle up, you then see how it all is made at put together. Remove the mobile stud carrier as well, reinstal in proper order, first goes on the stud carrier, second put the regulator arm on top and press it home. Exactly as nev explained above. Trueing inner coils is done when balance complete is seperated from the cock. The part thats bent over itself. 1-Unbend hairspring as much as you can when balance is seperated, just grab the hairspring stud in tweezers , grab hairpsring with another tweezers streighten with strokes as you move the second tweezers away from the stud. 2-Move stud carrier and regulator arm as wide/ apart as they go , to provide max space which comes useful in next step. 3- Fit hairspring stud, into stud carrier hole. 4- Put balance and cock ( when attached together) back on mainplate. 5- You have enough space to grab hairspring in tweezers to shape as you move your tweezers away from stud. -
Probably more than you need to know in these two vids, but sharing because I found them quite interesting. 🙂
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