Jump to content

Recommended Posts

Posted

Hi all,

thank you for the warm welcome. Engineer by trade, I thought I had some achievements tucked under my belt until trying something new & going to pick up a sliding pinion without tweezers...

That was a few weeks ago, so bought a book, read it, bought another book, bought some tweezers..

When I was knee high to a grasshopper, my grandad gave me his Tissot T12 auto and it is still my pride and joy 40+ years on. I think this was the seed. So when all this lockdown happened I started to learn the theory and tried some practice. So far I've fixed an ETA 2481 with a dislodged click spring and dodgy calendar wheel, sorted out a quartz ETA 955.412 movement (thank you Mark!), stripped down and 'cleaned' an AS 1002 984 (still needs some escapement work, balance wheel stops at vertical) whilst all the while trying to source parts for the infamous 1337 quartz seamaster, my other grandad's watch. This last one is enough to test the patience of many saints...

Sorry for the essay! Oh, and by the way. How does one get a flush broken stem out of an expensive crown?

Thanks again, Linz

Posted (edited)
20 hours ago, Linz said:

Oh, and by the way. How does one get a flush broken stem out of an expensive crown?

Welcome to the Forum. Alum may solve your crown problems. See the post I linked above.

Edited by AndyHull
  • Like 1

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.



  • Recently Browsing

    • No registered users viewing this page.
  • Topics

  • Posts

    • So if anybody overrides what i say, listen to them haha. I'm not an expert but i've just been in this boat a dozen times as i used to mess up hairsprings bad, but the good part of that was that i got to learn how to fix them.  What made my life SO much easier was learning how to adjust the hairsprings with the balance installed on a disassembled mainplate, unless it's a very serious problem or on an inner coil you can't get to i would recommend trying this in part because the spring will mostly ALWAYS look flat when the balance wheel is not installed on the cock. Install the balance wheel back in the cock and the cock with the cap jewels in the mainplate, with it installed even the most imperceptible twist will be pretty obvious. Just make sure the balance jewels are also installed. In these movements, if 99% of the time any twist or problems gonna be around the terminal curve, twists often near the stud, especially if you've been removing their awfully designed studs from the balance cock. If there's a reliable way to install those things without introducing a minor twist to them i haven't found it. they're an awful design. INstall the balance on you mainplate WITH your capstones/chatones and look sideways across the balance under magnification. Look for the highest or lowest spot of the now not flat hairspring. 180 degrees from that high or low spot is where your twist will be. You have to be VERY careful with twists as the tiniest over or under twist brings it out of flat. If the area i have to untwist is near the stud i just use a pair of #5 tweezers or some very sharp fine curved tweezers and gently see which way i twist it corrects the twist, then i hold the very fine point of the tweezers on the hairspring and just gently squeeze and check it and see if it started to correct it, then i rinse and repeat. Tiny adjustments is what you want, don't close them all the way, and dont' introduce a flat spot in them. it's just a little nudge by closing the tweezers on it at an angle. .  If the twist is not near the stud, i grasp the hairspring with some very fine curved tweezers as gently as possible while still holding it then i do that same sorta tweezer squeeze with my #5's. 
    • Has it got the logo on the crown. I think you're best option is going to be to remove the damaged stem and measure it. Edit Do you have the case reference number.
    • Movement is Omega 1012. I bought this from Cousins: 
    • Welcome to the WRT forum.
    • To get the full diameter, I'd have to take it out of the case, which I won't be able to do until the screwdrivers arrive.  I doubt that it's much use to you, but the raised rim on the case, encircling what you see of the movement, has an outer diamter of 28 mm and an inner diameter of 24.8 mm. The case outer diameter is 32 mm.
×
×
  • Create New...