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Help Needed on Broken Pocket Watch Escape Wheel Pivot

specks

By specks
in Watch Repairs Help & Advice

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specks Member

specks

Posted
Posted

Hi Everyone,

I'd really appreciate some pointers if possible.

I have a key-wound pocket watch with a broken escape wheel pivot.  The movement seems to be entirely anonymous, with no easily identifiable markings to indicate the caliber or manufacturer - with the exception of two single characters - a '6' and a '9' or they could be stylised single quotes - and a movement number.  I've measured the movement's diameter at approximately 41.5mm or 18.5 ligne.

For now, I'm ruling out re-pivoting as I don't have the required equipment [this will follow at some point, I'm sure], so on the assumption that the movement cannot easily be identified and a replacement wheel sourced, are there options such as using my staking set to remove the arbor and replace it?  Replacement arbors don't seem to be readily available - is this a reasonable statement?

If I can find a replacement arbor of the same length and diameter, presumably the pinion is a friction fit over the arbor and so with care, it should be possible to complete remove the old and re-fit a new pinion?

Thanks for any support all.

Steve.

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khunter WRT Addict

khunter

Posted
Posted (edited)

Theoretically yes it is possible, assuming the pinion is a friction fit. I would carefully measure the existing one first in case of damage when removing it. Then one could be made on the lathe, or a replacement found, and staked back in. Not knowing the maker or anything will make finding replacement parts quite tricky. I'd post some pictures and see what the community thinks.

Edited by khunter
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    • PeterS
      Stem removal after fitting hands

      By PeterS · Posted

      Yes, the seconds hand is the longest and goes almost to the edge of the dial. I can’t quite picture it how you do it on the rubber pad
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    • Neverenoughwatches
      Stem removal after fitting hands

      By Neverenoughwatches · Posted

      I think what peter means oh is once he has fitted the hands and  checked for  alignment if them and that they dont foul, how does he then hold the movement to remove the stem in order to case up. The dial cannot be laid on a cushion or in a movement holder as the hands will get damaged. This can be quite tricky for a beginner, what i do is  to stand the movement on edge on a rubber pad so it doesn't slip. Hold the top edge with one finger then my dominant hand uses 3 fingers to press the stem release and flick out the stem. See below peter, leave off the second hand as this is the longest and gets caught the most, then fit it once the stem is out. Alternatively place the movement in one of the cup style holders, i imagine this is what they are designed for. They only touch the very edge of the dial.  
    • PeterS
      Stem removal after fitting hands

      By PeterS · Posted

      Yes I understand that. What I’m asking is, after the hands have been fitted, it’s been checked that the hands do not touch etc. then I need to remove the stem to fit the movement in the case. I have the push type, I need to turn it upside down and push the setting lever post and pull the stem out. But of course the dial and hands are in place and I have a glossy dial with lume dots and I do not want to cause any damage while it’s upside down pushing on the post of the setting lever.
    • oldhippy
      Stem removal after fitting hands

      By oldhippy · Posted

      You have answered your own question. You just push the setting lever nipple in or if its the screw in type unscrew it a little. You should always remove any hands and the dial before putting it in your movement holder. 
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