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jguitron

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jguitron last won the day on June 25

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About jguitron

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  1. Sure! I’m not familiar with that solution but it’s formally a cleaning solution. Pegging is a good idea although it doesn’t come without a big discussion that can be found in other rooms... Now, that’s great for pivots and jewels but pinions and wheels may still retain some residue. Sent from my iPhone using Tapatalk
  2. Good job... that’s how one gets started. Obviously it’s not cost-effective but keep at it and it will eventually. My first observation is the cleaner used to wash the movement. There are multiple sources that show how using lighter fluid can really hurt you. Even if you don’t notice it, it may be leaving some residue, and if this is the case here and there, this could partly explain why your gear train has uneven resistance and thus the amplitude and rate vary so much. Add to that the out of poise mainspring, and the wild variations start to make more sense. Not oiling properly before timing is not a good idea but even then, I wouldn’t expect the significant variations you’re obtaining. Something to think about. It’s a good idea to let it run 24 hrs before doing more definitive timing measurements. The demag is a big deal. It should be the very first step before you even touch the movement. You should time the watch first thing, demag retime and then overhaul. Looking forwards following on your progress. Keep it up! Cheers! Sent from my iPhone using Tapatalk
  3. jguitron

    Metal watchmaker bench

    Super nice!! Where was that??? Sent from my iPhone using Tapatalk
  4. jguitron

    Find a Case Back

    I would have thought it was near impossible unless it was the exact same model reference. Following this thread closely [emoji41] Sent from my iPhone using Tapatalk
  5. jguitron

    Getting the back off...HELP

    Interesting. Hadn't see one like that. My first instinct is that it's a screw down back that you can have your pick of which holes to use all along the periphery. Good luck!
  6. Where are you located?? Sent from my iPhone using Tapatalk
  7. I confess I’ve placed the pallet fork upside down... could this be the case? Or the escape wheel? Although less likely because the other wheels wouldn’t turn... Sent from my iPhone using Tapatalk
  8. Exactly the one I got! [emoji1303][emoji1303][emoji1303] I love it. It does the work well on 90% of the parts. I do notice a difference when I go to class and they use the fully automated $15,000 one with ultrasonic heads. Of course, having that quality makes it easy to dismiss anything else without US. But don’t get me wrong. I love my machine and I think it can deliver great results. Sent from my iPhone using Tapatalk
  9. I have a similar machine and it does the job but what’s well accepted as far as I can tell, is that there has to be an ultrasonic component to the cleaning process. Spinning is all fine and good but adding the US is huge. Of course, that brings the cost of a washing machine way up. Hopefully rectifying your solution situation will give you better results. Cheers! Sent from my iPhone using Tapatalk
  10. jguitron

    How To Chamfer A Watch Case

    Hello! I’m assuming you mean facet or bevel along the lugs.... Those are made with a lapidary or lapping machine. It requires a precision holder that allows you to move the case only in one direction so that the bevel is precise or sharp. It also allows you to give it a brushing or black polish finish. The Swiss machines are running at around $9000 and up. If you’re refinishing a case with a bevel.... then gentle touches with the buffing wheel at high speed can clean them up but be very careful not to round the angles. I hope this helps. Cheers! Sent from my iPhone using Tapatalk
  11. jguitron

    Sand Dunes

    [emoji1319][emoji1319][emoji1319] [emoji1303] Sent from my iPhone using Tapatalk
  12. jguitron

    What kind of tool is this?

    It’s a crown and split stem extractor! Nice find [emoji1303] Sent from my iPhone using Tapatalk
  13. jguitron

    Broken movement or not?

    Yep. If stem is intact then chances are that something in the setting mechanism got dislodged. Only way to know is removing dial and assessing. Good luck Sent from my iPhone using Tapatalk
  14. jguitron

    Broken movement or not?

    Unlikely unless you used a lot of force. Does the stem come out? Is it intact? Does it go all the way in? How are you inserting it, need to push release? May have to remove hands and dial to look into it. Good luck. Sent from my iPhone using Tapatalk
  15. I agree. Super important to check proper position of each hand as you set it and then subsequently as you set the others. The hour hand should clear all marks and be parallel to dial then, minute hand should clear the hour hand... I tend to spin it twice to confirm and lastly the second hand. Careful how hard you press on it becase you can change the endshake of your wheel and it’s a big deal. Put your movement on the timer before hands and then after if you have any questions... also after you case it to make sure hands don’t rub with the crystal. Cheers! Sent from my iPhone using Tapatalk
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