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how to choose a new pusher for chronograph


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Hi 

I'm servicing a certina model 542.7155.42 using a eta 251.262 quartz mouvement.

One on the chronograph pusher is broken the stem is broken and the button is missing.

I've searched original piece but cannot find any. So I hope it's possible to adapt a standard pusher.

I've also no tools to press the pusher tube out of the case so I hope to be able to do the job without replace the complete pusher or may be it's possible to do the job with a stalking tools.

  • the length of the stem is 5.17 mm
  • the diameter of the button is 4.17 mm

  Thanks for any help.

If you've any link that could match on ebay or cousinsuk etc.. it'll be great too

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