[TECH] - SEIKO NE86 Chronograph Movement TEARDOWN 

Thanks for showing this teardown! Since I am about to service a 8R48 movement shortly, this was a very interesting insight of how this movement looks like inside and what to expect when disassembling. Even though I got the entire service manual and oiling plan, which is very important to know, especially how to disassemble it the correct way, it is also good to know what to expect. It is, indeed, a very simple movement with lots of parts. But, frankly spoken, it is the cheapest column driven automatic chronograph movement with a vertical clutch on the market and easy to service. I don't think it is a bad idea to have a chronograph module separated from the basic movement. It makes repairs a little easier and cheaper. A thinner, fully integrated chronograph movement is much better, of course. But they are more expensive, not only to buy, but also to service.

Love your work Adrian! The rebuilds on my Seiko’s you did are magnificent 👌👌👌

Thanks for the video Adrian. Great to see the modern Seiko movements being stripped down. Very unusual and extremely interesting. Cheers, Howard

Lovely work Adrian greta to see you back on line Cheers Brad

Awesome video as always!

Amazing video. Thank you.

Thanks for another detailed teardown. Totally agree about the tiny Phillips screws. Given that they phased them out in the 7S26C, I'm surprised to see them still hanging around in this movement. Such a strange decision.

Thank you, I’ve been waiting for a pro to do a video on one of these. I actually own a Sportura Chronograph with the 8R movement. I don’t often wear it because as you said, it is way too thick, and heavy. I only keep it for collectibility reasons. After watching your video I’m really not looking forward to servicing it some day. Looks like a huge pain in the arse!

Is it better/healthier for this particular movement to leave the chronograph running? I know it is recommended in the 6138/39. Just wondering if the same goes for this one. Thanks!

Are they some adjustment eccentrics ? looks that there is now way to adjust (if needed) the "clutch", but may be there is no need ?

I have a spare NE88 laying around in a watch so ugly that it defies belief. I was wondering if a 7753 dial will fit this movement, and if this movement will fit a case made for the 7753. Thank you in advance,

Thanks for the video. I've been put off the Presage chronographs because of the thickness. On the upside, at least there wasn't any plastic in the date mechanism.

These were selling for around 500.00 USD but are sellling now on the upper 700.00 range.

Great video Adrian thanks. I have a question I can see that this movement has a column wheel but is the coupling a vertical clutch as some have said about this movement or does it have an oscillating pinion, I can't see it having a horizontal coupling?? Some have also said that the ne88 with the three register Counter all have their own vertical clutch. I have watched this video a few times now so thanks once again 👍

So if I send you a microbrand watch with the NE86 movement, you’d be willing to service then? Thanks.

Great video , would you rather have same watch with 7753 movement ? . I’m between a watch with this movement or a watch with a 7753 , for a daily driver Chronograph

These tmi movements are not assembled by robots but are completely hand only assembled by only the most experienced watchmakers with decades of experience.