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MST414 mainspring

Moose

By Moose
in Watch Repairs Help & Advice

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Moose WRT Addict

Moose

Posted
Posted

Hi All.

Can anyone confirm if the mainspring on this movement is wound in the barrel left or right handed please?

I am a hobbyist repairer and I know it come out left-handed, but the replacement springs are all set for a right handed insertion. I just want to confirm that I need to re-insert the spring with coloured side down (i.e. left handed not right).

Many Thanks.

FLwatchguy73 Super WRT Addict

FLwatchguy73

Posted
Posted (edited)

detailed closeup pictures along with the full model number is necessary in order to help you. Thank you

Edit, I see the model number, sorry

Edited by FLwatchguy73
nickelsilver Distinguished Member

nickelsilver

Posted
Posted

If the cap is on top of the barrel when looking down at the movement then it is wound in right hand, the barrel arbor will turn clockwise from that view to wind the spring. I think that is the case on this movement, as the center wheel goes below the barrel and the barrel teeth are thus very low compared to "normal" barrels.

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Nucejoe Distinguished Member

Nucejoe

Posted
Posted

The click shows the direction ratchet wheel is suppose to turn, then you have the arbour its notch and catch.
 


 

 Clockboy:Bravo:     and this one is no april fool.  
 

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Moose WRT Addict

Moose

Posted
  • Author
Posted

Under magnification, I can see that the catch on the arbor is Badly worn, and slips out of the notch on the spring when under tension. So I’ll get that replaced as well.

Thanks for the tips. :biggrin:

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