Omega 1012 second hand size

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would anybody be able to tell me the dimensions of the second hand to fit a cal 1012 movement to help me find a replacement please ,Tube hole diameter and tube length ?
 
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I have spare second hands steel version for caliber 1012. I shall measure them later.
 
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Thank you

This is a long shot, but after removal and putting it back together it no longer winds ,it crunches . I鈥檓 wondering if something hasn鈥檛 aligned probably . I can alter the hands and change date , but it won鈥檛 wind ?