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New Video. Primer On Regulating A Watch Continued.

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    • By mattconn24
      Guys I just received a Master model cleaner and I am going to have to completely rewire the machine. I would like to convert it to a mastermatic be replacing the forward and reverse switch with a time relay circuit. Has anyone done this and if so any guidance would amazing. Thanks. 
    • By deathkei
      Hello
      I measured my Omega Caliber 1120 through an timegrapher app. (Dial Up, full wind)
      I know the app is not very accurate.

      I checked about +100s/d difference and sharply tilted graph .
      The odd thing is that the bottom part of the graph is not printed every 100+- seconds.(red-colored circle)
      Is this a feature of the timegrapher, or does it indicate abnormal state of movement component?
       
      Thank you for the comments.
    • By rduckwor
      A vintage Elgin 15/0, Gr 559.  I took it down, cleaned and lubricated it and it is gaining 15 minutes/24 hours.  I have looked at the HS, it appears to be perfect, clean, flat, not magnetized (de-magged the movement X 3 already), and in position between the regulator pins.  Not hung on the center wheel.  Correct mainspring, and balance is not knocking.    I do not remember amplitude, but IIRC, it was above 22 which is O.K. by me with the movement.  Please give me some ideas as to how to correct this.  It doesn't seem like there are enough timing washers in the world to slow this down!
       
      Thanks,

      RMD
    • By FitOutPost
      Hi, my name is Ross. I am a rookie watch enthusiast and I am really puzzled here.
      Could someone explain to me what kind of a problem am I facing with my timegrapher?
      I do two sets of measurements with the same watch (1 day or 6 days apart) and receive vastly different results - to the point of being completely different from what I observe in real life. 
      For example, my timegrapher shows that my watch is running fast (or ahead of time), while in real life I observe that it runs 7 seconds per day behind. I even recorded a video about it so you could see it for yourself: https://youtu.be/mhGzf6aLMlY
      How should I interpret that? Am I doing anything wrong?

      Problem_with_Timegrapher_-_Knowledge_Sharing__16.mp4
    • By east3rn
      Hello. 
      I am working on a vtg. Citizen cal.7520 automatic movement.
      I have put the watch on the timegrapher 
      The graph looks OK but the beat error shows 9.9ms. I presumed that beat error should be around 1.0~2.0 given the shape of the graph.
      Is the beat error actually bad or the timegrapher is wrong??
      Thank you!
       

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    • I think we need to go back to the beginning and look at the exact procedure of everything involved with this mainspring plus any additional lubrication you're putting in the mainspring barrel? Something is not right when the laws of the universe seem to be going backwards for us My experience with the other breaking greases were more was worse. This is what makes the Kluber Different it's really really sticky and more is more sticky. Except for this watch where it's not? But that I also question sanding the inside of the barrel your changing the characteristics. Email auto watches the inside of the barrel has cuts to reduce the contact area to make it easier for the mainspring to slip this is why this is such a weird example here lots of surface area should have lots of stickiness and we don't
    • so it looks like i don't need the 423 core part, but only the part that has the teeth, which i hope is part 421 since thats what i'm trying to get quotes for. here is the link for the patek video    
    • Looks like a interesting video, do you have the link to it saved? Have you looked if the part nr 4 isn't actually 2 pieces? The lower which is in contact with the winding pinion might have a upper removable part called a crown wheel core. I think it used to be called no 423 in other Patek movements. The core usually fitts on the upside the lower crown wheel. It has a bronze bushing fitted to it when the bridge goes into place. If you look closely at the lower picture you can see it most likely is a two piece part. Push in the middle of the wheel with some appropiate tool to see if it doesn't split appart.  
    • Yes, those Esembl-O-Graf booklets/DVD, etc. would be very handy indeed. I remember seeing them being sold at NAWCC marts. But since I was only interested in pocket watches at the time, I never snagged any. I do remember a friend buying a bunch of them. Good thought. I had forgotten about them.  
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