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By nevenbekriev · Posted
Yes, it looks much better, but at this point the main thing is to make the spring in one plain. so picture from side will show this better. Now it is seen that #1 bending is needed, which is normal. -
I have been battling an Omega 3220 movement with Dubois Depraz chrono module. I have several generations of technical guide for this movement which initially proposes using 9020 for oiling pivots and in the later version HP500. Not particularly concerned as to which one I use for the 3220 and I am also happy to have an oil somewhere between HP1300 and 9010 for oiling the slower moving wheels in the train on other watches. Which one would I get the most use out of? -
Thank you @AndyGSi for following up. I will update once it’s done. Thank you @Neverenoughwatches for your response. You’re right the original plan was to cut off the ‘lip’ lowering the movement down. However after@AndyGSiwise observations I realised that this would cause the movement slipping through the hole after the lip/ridge was removed, and widening the diameter of the lip/ridge would achieve the same result. -
By Neverenoughwatches · Posted
I understood it that the op wants to reduce the lip height, in order to lower the movement in the case, nothing to do with the diameter. -
In the end I got a balance from a donor movement. Fitting the collet back on is not that difficult. If you are not confident, get an old scrap balance and practice on removing and refitting the collet.
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