As we know Miyota's 2035 (and 2-series) is the most movements ever produced in the world,and it was known as its high-quality and the metal wheel trains. In promotional materials of Miyota, 2035 was listed as "A high quality metal movement",and on thier video "40th year of the 2035", they said 2035's main parts are made of metal. But I've found that Miyota started to use plastic gear train in thier caliber 2035 and the 2-series movements, but in thier promotional video they still use the old photos of the 2035 movement with the metal gear train, Are these made a fake propaganda?
What do you think Miyota started to use plastic gear train? And what are the effects of using a plastic gear train?
Fig. 1: Offical Miyota exploded view of the caliber 2035 ("Fifth wheel and pinion" and "Third wheel and pinion" were changed to plastic. And "Fourth wheel stop lever" to added for protect the plastic wheels.)
Fig. 2: Newest version of Miyota 2035 on a watch
If Miyota really want to use plastic gear train on thier legendary movement, I'm sure I will choose S. Epson's standard movements. S. Epson's AL21 and Y121 is a good choice, and it is cheaper than Miyota's 2035.
Fig. 2: Newest version of Miyota 2035 on a watch
This is interesting, and definitely worth looking into. A few questions:
- Did you take the picture above? (Only asking to make sure all points research are confirmed first hand.)
- It says "a watch", can you please share which watch it is?
Depending on those answers, then the next question is: Since the movement was not obtained directly from Miyota to you (it was obtained from the watch brand to you), then is it possible that the movement in the watch is not genuine, directly from Miyota?
One way to tell is to order a new Miyota caliber 2035 movement and disassemble it (Caliber Corner will order one this week). But if the movement arrives with metal parts, it does not necessarily prove one way or the other, because if Miyota did switch to plastic parts, then there will still be a lot of metal movements in the part sellers' existing stock.
The movement in that watch is not the original. The original movement is a cheaper TMI's PC21S, then I find one miyota 2035 on the online shop whitch sells watch parts and movements.
And I found someone on YouTube also discovered the plastic gear train in miyota's newest 2035 movement. The original YouTube title is "Seems like china has produced fake miyota 2035 movement.", the video link is here: Seems like china has produced fake miyota 2035 movement. (youtube.com) .
But if the movement really fake and produced in China, so why does Miyota post that exploded view of the caliber 2035 with plastic gear-train on thier website?
Thank you for sharing the video. That movement does look like the one in your photo with plastic gears!
The exploded view drawings from Miyota does not mention plastic parts. Where do you see that information?
Ordered these for now. Will let you know more when they arrive.
Thank you for sharing the video. That movement does look like the one in your photo with plastic gears!
The exploded view drawings from Miyota does not mention plastic parts. Where do you see that information?
Ordered these for now. Will let you know more when they arrive.
product_oTufmjrdV8iP3nKWI7.pdf (miyotamovement.com) I found that in the older part list of movement 2035, it does not included the "Fourth wheel stop lever" but in the current one [product_HGj3hPwVbZ02UgBfx7.pdf (miyotamovement.com)], it includ the "Fourth wheel stop lever".
In the older miyota 2035, the gear train looks like the photo,down here, circled out:
Is there anything wrong with plastic parts?
First, as we know Miyota's 2035 is a cheap movement with metal gear-train, but now it had changed to plastic. And then,if Miyota is sure to use plastic gear train, they must change the promotional video with the movement it have plastic gear train instead of the metal one.Is there anything wrong with plastic parts?
On the 2035 movement with the plastic gear train I'v have:
It runs -0.9s/day (around 27 secs per month) but not the 20 secs in thier technical sheets.
Hi CJDUDHF, the 2035 movement arrived and the caliber listing was updated: https://calibercorner.com/miyota-caliber-2035/
This doesn't really answer the question, but so far it really does seem like a possibility that the plastic gear versions are not genuine. This is not confirmed and more research is needed. Still trying to locate a plastic gear version to compare. In the meantime, hope you enjoy the updated caliber page.
Miyota changed its movement marking to "Miyota CWMJ", maybe since 2023. Including thier quartz and mechanical movements.
I don’t personally have any adverse reaction to “plastic “ parts. That is a very wide term used to describe materials that can is many ways be superior to metals depending on the application.
But in the promotional video, they still using the old photos of the 2035 movement with the metal gear train, they should change them with the photos of the newer 2035 movements with plastic gear train.I don’t personally have any adverse reaction to “plastic “ parts. That is a very wide term used to describe materials that can is many ways be superior to metals depending on the application.
they should change them with the photos of the newer 2035 movements with plastic gear train.
This is unconfirmed.
Just because there are two examples of similar movements containing plastic parts, does not mean new Miyota 2035 have plastic parts. The two examples were not proven to be movements sourced directly from Miyota.
But one thing can be true is that Miyota has been started marking thier movements with "Miyota CWMJ" with thier movements instead of "Miyota Co." and "Unadjusted" on thier 2035 movements. I have some watch movements also have the "CWMJ" sign on it.This is unconfirmed.
Just because there are two examples of similar movements containing plastic parts, does not mean new Miyota 2035 have plastic parts. The two examples were not proven to be movements sourced directly from Miyota.
So, why miyota doesn't change thier movement photos with the 2035 that have a "CWMJ" sign?
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