Newish watch problem

Calling any watchmakers: I bought this Tandorio Serica homage about six months ago. I've not worn it a great deal as my wrist is shared amongst many other watches. Today, I took it out and on winding it (a pt5000 movement) I can hear the the rotor weight spinning as I wind the crown. Does this sound like it's terminal? Would it be cheaper to get another pt5000 rather than get it fixed?

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Thanks for that. I may have a go then. I have most of the tools I need and the price of a new PT5000 isnt a killer if it fails.

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Yeah, sounds like the typical reversing wheels problem. Now, the PT5000 is not a clone as far as I know, but something with externally identical dimensions, so I don't know about parts compatibility.

This may just require a removal and cleaning of the automatic winding components, and the rest of the movement can remain in the watch case. You might need Lubeta V105 to properly lubricate the reversing wheels.

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The reason why I was unsure about the PT5000 is that it came in different numbering schemes. I also have no information on parts compatibility for that movement.

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Right, actual ETA parts are hard to get. Even if you look at an ETA 2824 and a Sellita SW-200 you will start seeing some differences relatively quickly. (And Sellita has been a partner to ETA for years.)

I would expect that variances to an ST2130 are even stronger. I have to admit that I know very little about the PT5000, and based on what I've read so far I'm not sure they are all from the same production facility.

There are movements that are utterly different, such as the R150, where even the watch stem is not compatible, even though the external dimensions are.

But at what point are we moving from clones to "movement homages"?