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    • By Calvin
      Hello guys..
      Why my seiko speedtimer 7015 chronograph run smoothly when its day(morning till evening)
      But its stop and heavy when its time to changing the day date,whats the problem and how to fix it..
    • 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 RyMoeller
      I recently acquired an Omega Speedmaster automatic from the 1970's that has the Omega 1045 / Lemania 5100 movement inside.  Long story short- the previous owner tried to service it and made a mess instead.  I've managed to source all the parts I think I need except one for the automatic works- the Stop Spring (part no. 1414).  This looks like a part I may be able to fabricate but if the original is available I would prefer that.  Unfortunately I've come up empty with my usual suppliers.   Cousins is the one one who may have it, but it's Restricted which I suppose means you need to be an Omega authorized technician (which I naturally am not) to purchase.

      If anyone has a lead to follow I would be most grateful for your assistance.  This piece is a proper mess right now but I think I'm close to bringing it back from the dead.

    • By Oyster
      Hello again gents, I have a question about Valjoux 72 hairspring , what Is the identical part to fit this cal? I only need the hairspring due to I slip during regulating the beat and it can't be properly restore.
    • By mk416
      Hi everyone, 
      Thanks in advance for your patience- novice here!
      The chronograph function on this 7730 movement starts fine but doesn't stop reliably (If and when the operating lever does engage the stop, the reset works great, however). When I open up the movement case back, I see that operating lever (blue arrow on the annotated stock picture) has a bit of play and moves around, such that if I do engage the operating lever, i.e., begin the chronograph, and then gently push the reset button , the reset lever (red arrow in diagram)  'nudges' the operating lever back into the correct position, so that when pressed, it does stop the chronograph (move the cam). 
      I should also note that the tab/spring (where the green arrow points) is  a bit deformed on my movement and doesn't exactly touch the screw. Perhaps this is a contributing factor?
      I can't seem to figure out how to resolve this problem. Does anyone have any thoughts? 
      Many thanks,

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