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    • 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!
       

    • By Padd
      Hello Everyone,
      Padd here from the UK.
      It all started with a desire to fix a Submariner replica I bought off a lucky lucky man in Pisa, Italy while on a European tour.
      Next thing I know I'm investigating Submariner replicas and building my own, signed by me, using a Seagull ST2130 movement, adventure watch.
      Now I'm hooked, I took inspiration from Marks videos, now I'm happily starting to work on parts of the movement, and have recovered one or two movements where the stem came out, but wouldn't stay back in. I have built a few watches for friends and relations, but now I need to be able to service them when they come back to me.
      I also have a couple of movements that run really badly, so I will be practising on those over the winter weekends. Full repair/servicing kit IS my Christmas present.
      I really want to get one of those ST2130's, serviced and tweaked by me, doing a -------------------------- on my timegrapher. not a -.'-.'''--,'.'.' (and worse) that they do at the moment.
      I wont start to list my watch collection, but it runs from a Casio digital to a Rolex pocket watch with Seikos, Citizens, Omegas and home builds in the mix.
      Must do Mark's course, but I'm afraid I may have already learned 60+% of it already.

    • By PJA
      Just in case, I came across this "Watch-O-Scope" software. To those who have a need for it. Also here is an instructional video how to install. I hope it will help somebody here.
    • By maclerche
      I have gotten hold on a Elma Star vibrograf. Does anyone know if you can still buy paper and carbon for this machine?  
       

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    • Welcome to the forum  
    • I cleaned the hole thing, and oiled it using 9010 and hp1300. On the exit stone of the first pallet I put a drop of 9010, I've seen others using it although I now it's not the best there. I didn't oiled the second pallet. I have no photos of the timegrapher screen, and as I do not have a permanent desk I have uninstaled it. I'll take some photos next time I check the watch. But the data I gave is about what you can see there, the lines are very clean and nice in all positions except crown down, where they are quite messy. Lift angle was established at 53.0. I do not think there is any other relevant information you can see on the screen, is there?
    • Does your timing machine show a graphical display you can show us? Besides swapping escapement components what other servicing have you done to this watch? Plus what sort of lubrication are you using especially on the escapement components.
    • BLEURGH! Don't know how that ever became a "delicacy" in the Philippines!
    • We need a clear picture looking in sideways at the hairspring and balance wheel in the watch. Then yes technically her out a center but it's minimal it shouldn't be the cause of amplitude problems. They hairspring not flat would be a cause of problems especially when it's touching something. Can we get timing machine results? And that includes the graphical display with the numbers.    
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