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Murks

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4 hours ago, Murks said:

Hi everyone can someon tell Me if a can lubricate miyota quartz watch movement have cleaned it but not sure if a can lubri?

 

1 hour ago, HectorLooi said:

Can you post some photos of the movement, as Miyota makes many models. 

How did you clean your movement?

With a watch cleaning machine a left out the rota,coil, crystal.

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On 3/10/2022 at 9:26 PM, HectorLooi said:

Moebius 9000 Quartz oil on all the pivots

Personally for me any quartz watch this is the oil of choice. Otherwise worst-case use the lightest oil you have. For instance ETA recommends Moebius 9014 Which has a viscosity of 100 which is lighter than 9010. The problem with heavier oils are worst-case the watch won't run or usually just bumps the current up because there's too much drag.

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    • Just to add to what @Neverenoughwatches says, the impulse jewel on the balance wheel is also held in by shellac, so avoid exposing the assembly to IPA as well - as stated the one-dip and generic tetrachloroethylene equivalent is safe with shellac so you can use this for your pallet fork and balance assembly. I agree, but worth noting that IPA readily soaks up water, even from the atmosphere: "IPA exposed to the air will absorb moisture rapidly until it reaches an equilibrium value of 65% IPA to 35% water." So you need to refresh it regularly.     
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    • Correct one dip is expensive when the chemical is purchased as " one dip " which is why it is mostly reserved for these two small parts as far as information tells us it is mostly tetrachloroethylene. I use it bought as perchloroethyl used in dry cleaning processes, i cant say I'm overimpressed with it though it appears to me to be shellac safe. What may be a better solution for hairsprings is a high lab grade of pure benzine.  IPA is mostly used as a rinse and water displacer and yes it does have the potential to dissolve shellac, personally i would not buy anything that has significant water dilution so 99.9% IPA is the way to go. And lastly the part you are cleaning dictates your choice of cleaning brush, delicate parts like a hairspring requires the finest artist's brush you can find. Plates and bridges can take a little more scrubbing, but always check to make sure the surface is being unharmed. And dont forget a stick of tip benzine soaked correctly shaped pegwood is your mate set up for cleaning dirty jewels and removing stubborn dried up lubrication. 
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