The crystal layers are fully synchronised with Gen, and the sides are chamfered so effectively that you could truly feel a definite action when touching it along with your fingers.
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There are some trustworthiness troubles claimed Using the SH3285 movement. In addition, the SH3285 appears to have subtly various sized / place areas when compared to both of those the VR3235 motion (with which it shares its teach wheel and escapement design and style), plus the gen/DD3285.
I just found out a really crystal clear to check out change inside the crystal. Particularly that the gen (as well as VSF) show the modest minutes lines from the dial during the bevel of the crystal.
31/8/23 #1 Hello there, I'm Steve, I am back, with the VSF factory also joined the Oyster Perpetual series of camp, CLean factory is finally not able to keep back again, also began to develop their own products line, not long ago introduced 36mm Oyster Perpetual, Explorer I along with the Air King, although these sequence just isn't significantly well known, but for that gamers thinking about this is certainly a good news.
I believe it Practically pointless to enter designs and types that I dont have A great deal knowledge about and that I much like - I'm content to depart this work to the other specialists in this fantastic forum
This is the great movement. The VR3186 is reputable and it has an hour or so hand jumping mechanism is robust. This movement is basically a true clone, other than the hour hand leaping system isn't the same as gen (It really is an improved additional dependable structure IMO), so other than the hour hand jumping mechanism this motion can settle for gen pieces. The VR3186 is sometimes engraved Along with the selection 3285 (black arrow), however it’s the identical motion.
For anybody serious about an element by portion macro photo comparison between the gen and Dandong 4130 motion, @CTime did the large lifting to suit your needs.
Yet another factor to inform as you will find quite a lot of folks wish to know the steel material thing:
You'll find three visible changes in the AR4131 from the DD4130: one) The column wheel is different (black arrow), 2) the vertical clutch jaws and spring differs (cyan arrow), and 3) the hammer spring is peened (orange arrow). Furthermore, thanks to the Original motion tear down by @CTime we realize that the rotor only winds the mainspring in a single course (Therefore the rotor will spin freely / loudly in the other course). A whole teardown of the motion can be accessible. This does not seem like a "correct clone" 4131 but rather a medium effort and hard work try at making a reasonable off the shelf chronograph motion look like a 4131. As of January 2024, I'd personally advise ready right up until you'll find other 4131 actions choices readily available.
Very well what I bought and thought was VR3186 and VR3135 turn out to be SH products. I productively set up the 3135 in my BP SD and it’s working good, A lot smoother winding compared to the 2824 I'd in there.
The DD4130 seems completely distinctive with the 7750, learn how to convey to the two aside so as to validate any statements made by a seller.
Also of Be aware, the top-shake adjustment screw on the balance bridge (purple arrow) isn’t practical, so altering the top-shake of your balance needs to be completed with foil shims. The tip shake adjustment screw basically secures a decoration plate that properties the faux paraflex shock location (orange clean factory rolex arrow), There exists a true shock placing underneath this decoration plate.
This motion is reliable, although it doesn’t contain the very same electric power reserve from the VS3235, at only around 40 hours. When spare components for this movement could be hard to find, a alternative motion is only all around $one hundred USD on AliExpress, so it’s generally a lot more affordable to exchange the motion having a new one rather then service an old a person.