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    • By Calvin
      Hello guys..
      I wanna ask..
      How to adjust my eta valjoux 7750 movement to be faster..
      Cause it slow 2-3 minute a day..
      Do i just need to move this part to the (+) sign?? Thankyouu

    • By Giuseppe
      Hi,
      in order to buy appropriate spares in my attempt to service an Omega 175.0083 (7750)  I need some advice:
      1.
      I've already been suggested to replace MS:
      Barrel is Ok and I'm thinking of buying a new MS and moebius 8217 for barrel lubricating as I don't want to spend money on recommended Kluber 125 grease.
      Should I consider instead buying a barrel complete (assuming Barrel complete (180.1) comes with MS installed) wich supposedly comes prelubricated ?
      2.
      Attached image shows automatic device bridge with evident sign of wear from where, to my understanding, the problem orginated: a screw came off
      I cant find original part. 
      ETA part is different from Omega in that the Omega is larger and partially covers hammer two function and the chronograph cam.
      Beside that and since the watch has no crystal back case I think those parts are perfectly interchangeable.
      Do I need to replace the bridge or are there alternative aproaches to this problem?
      TIA
      Giuseppe


    • By perfectkyo
      A new 7750 movement, cleaning and assembly again, why watch swing only 260 °?
    • By matabog
      Hello!
      I am servicing my first 7750 (thank you Mark for the YT videos and Lawson for the Disassembly/Assembly walk-through).
      The movement is not new - let's say it has an obscure unknown history  It appears to be a genuine swiss 7750, but with a lower grade finish (very low...)
      When putting back the balance stones I noticed that there were two sizes (two pairs, because the cap stones fit the hole jewel settings). I put the smaller stone and hole-jewel on the mainplate and the larger ones on the balance cock. I tried to but the larger setting on the mainplate but it didn't fit quite right. I believe the springs are the same size - its just the stones that differ a bit (aprox 0.1mm) 
       
      So my question is: did any of you stumbled upon the same issue? Is it normal for a 7750 to have two different stone sizes?
      Thank you!
      Bogdan
    • By johnbiggs
      Hey, guys, I have a 7750 movement where the rotor screw snapped off. I opened it up and it appears the rest of the screw is still inside the rotor post. Is there anything I can do to screw it back out?
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    • Dear All,   My nice Bergeon screwdriver set was chipped after few watch services, was looking for a sharpening kit to repair them, but I soon realized I own a Lansky knife sharpening kit, so I pop the screwdriver blade out and give it a try, the results are very promising, see the photos, it's easy to use and versatile, comes with different stones, if I like, I can even use the ceramic stone to give it a high polish, and I can always use it to sharpen my folding knives, what do you think? Love to hear them.   Darak 16A49BD8-DF55-4F10-BB5D-983DE0C1380C.MOV
    • Hello everyone, I am looking for a sapphire crystal back for an OMEGA Seamaster (212.30.41.20.01.003). Do you know where I can find one ? Thank you in advance.
    • Hi and welcome Brian,  I am confident someone on this forum will come along and put you right concerning grandpa's watch. There is nothing "unfixable" if you go about it the right way and in the right order. Good luck I wish you every success. 
    • Hello, my name is Brian Young and I am new to watch repair.  I recently inherited a 1911 Illinois pocket watch that was working.  WAS.  I dropped it on the tile floor in the kitchen.  Now, I need to repair it, as it was my grandfather's watch and I cannot be the reason the watch has stopped working.  I do not repair watches, do not know the "lingo", and don't own an awesome set of tools.  I am the "street urchin" in this performance of Oliver.  Any help or encouragement you can extend to me would be most appreciated.  I am fearless, and will take the watch apart, if needed.  I would rather have someone who knows what they are doing handle the repairs.  Let me know if I can fill in any missing information.  Thank you for allowing me to crash your party.  Love and light, Brian.  
    • Take it easy around that wiring, one thing I did think of after I posted is that some of the old wiring and indeed that rheostat may well contain asbestos. It will be safe enough unless you start chopping it about. I would grab yourself a triac speed controller and bin the rheostat and its associated wiring. There may be some suppressor capacitors that might need changing (although judging by the age of the machine, possibly not) and when the thing is running I suspect it will blast interference all over the radio spectrum, and buzz all over the local radio stations, but probably not enough to travel next door and annoy the neighbors.  
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