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ETA 255.111 among others walkthrough


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Now it is time for me to look at the ETA 255.111, a movement found in a large amount of mid-priced quarts watches from Certina, Tissot, Omega, ETERNA, Longines, Tudor and many others.

Though it goes by many names the original movement can be used as a guide when servicing others in this family.
To save space and not make the thread a mile long I as usual made two PDF files of the Disassembly and Assembly of the movement.

And as usual I urge you to look at the oiling and greasing scheme in the original documents from ETA.

Enjoy!

 

BackSide.jpg

ETA_255_111_Disassemble.pdf

ETA_255_111_Assemble.pdf

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There were a couple of them and with different cases, the one in the Picture comes from a Tissot Seastar (9kt gold case) and there were some earlie Tissot 1853 with the same movement.
It should say which one you have on the dial.

Edited by HSL
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    • people be honest.... Swatch is evil for the watchmakers and repairers, BUT not everything in watches from Switzerland is from the Swatch-Group. As far as i know, Selitta got sacked by Swatch as a Movement-Assembler for them and they started to produce Movements in their own Name with slight Modifications. As far as i know, they sell Parts to the Market for their Movements. In most cases, if a ETA-Movement fails, it is a valid Option to replace it with a Selitta Movement, which i consider the Solution for this Mess with the Swatch-Group...... I have no Connection to anybody at Selitta, but being a Swiss-Guy, i still like to have Swiss-Made Watches, but not from the Swatch-Group.   ok ? regards, Ernst
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