The tech documents for the ETA 2824-2 movement and Sellita SW200-1 advise to not wash the two reversing wheels in the auto-winding assembly. Instead, if dirty, it is recommended to replace with new, pre-lubricated parts.

I recently overhauled a Sellita and replaced the wheels, as advised, with good results. I have a Seagull ST2130 that shares the same architecture with the two Swiss movements. I’m planning to tear down that movement and give it an overhaul too, but I’m not planning to…

lubrication of reversing wheels — ETA 2824-2, Sellita SW200-1 and similar movements