Leaderboard

And this is my guitar pickup microphone. Please see the shielded cable.

Good job. I'd like to know what's inside the guitar pick-up. A suggestion. Cable shielding is inefficient for the type of signal it handles. I think you have to use a cable with more efficient shielding. In the graph I see a very high amount of noise. Could it be that the network buzz of 50 or 60 hz.? I used APO EQ software. It is almost magical to remove the noise. And I use it to increase key frequencies in the discrimination of clock sound. Here my guitar pickup microphone without the APO EQ software application. All the same here. Applying the APO EQ software. Here the activation of the microphone for the software. APO EQ. And the software configuration. You may notice the equalization curve. Saludos.

Welcome to the forum. Why do you want to remove the stem? I'm just asking if you're interested in overhauling, because Its clearly a nice quality movement. If you look at the photo, it looks as if this area has been attempted. Is this where you pressed in unsuccessfully? J

UPDATE: For the electronics-naive like me, this may be of interest. Plugging and unplugging a few times testing the system ended up freezing my laptop so I took it to my desktop computer with surprisingly good results. The soundcard is more powerful in the desktop CPU, I don't know if it has anything to do with power consumption choices for the laptop or not, but when going to the settings menu of the recording devices, the boost for the mic is more than twice what was available in the laptop (went to 30 from 12 dB). It's also important to make sure that all Sound Enhancements are turned OFF. I also removed the foam cover of the mic and this all resulted in a loud waveform which actually required me to decrease the amp level to about 50% on a reasonably loud watch. This waveform was obtained with amp at 50% I was able to test most of my watches this way, although there are still a couple that are totally quiet that I'm expecting to have to open up to test if necessary. I also analysed a bare movement (Seiko 6139B) and the waveform was off the chart needing me to reduce the amp to about 30%. I'm pretty pleased with the set up. I think it's functional and useful at this point. Now the quest continues to finding the best way to secure the case/movement to test on the 6 positions. I hope this helps folks trying to set this up. Cheers! PS. I tested another contact clip microphone that has a shape more conducive to watch-testing (Peterson TP-3: https://www.amazon.com/gp/product/B000NKKHVE/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1) but despite peeling off the foam protector the signal strength was WAY lower than the Korg...

@Watchtime The saddle stitch by hand Even though not really required for a watch-strap, a saddle stitch (running stitch) is a stronger stitch than a machine stitch (Locking stitch)..... at least from what I learned so far is that a machine can't do the saddle stitch. There are several ways to ensure that the stitch is straight; tools and of course practice Here an article I picked from google about the saddle stitch vs machine stitch: http://slightlyalabama.com/blogs/news/125989635-saddle-stitching-vs-machine-sewing Groeten vanuit Denemarken

So looks like you're not the first person to ask how to use these. So first link I was hoping for a better picture but slightly better and second link much better pictures. http://mb.nawcc.org/showthread.php?30820-Howd-does-this-watch-mainspring-winder-work https://veiling.catawiki.nl/kavels/3555435-verenwinder-van-brugger-turzynski-in-vintage-doosje

I haven't worn my Bulova Precisionist for, probably, over a couple of years. It's been sat in a case, along with others of my collection, ticking gently away. Anyway, I thought I'd get it on the wrist today - what with the clocks going back an hour this weekend. I took it out of the case and checked the time against the atomic clock - it was exactly, to the second, one hour fast. In other words, though not changed to compensate for changes in BST and back over two years or so, it had otherwise kept completely accurate time. The second hand is sweeping as smoothly as you would expect from a Precisionist. I think that's pretty good, and also a tribute to the Bulova brand. This is one of a very few quartz watches that I own and, I have to say, it's a beauty.

So, a lot of the guys on this forum really know their stuff and are heavily involved in servicing and the like. Some of the other forums have groups of 'fanboys' (I suppose they might be called) who will defend their brand of choice to the death. I got into horology through Seiko because of their low entry point (for mechanicals). To use an analogy, I'm probably still using stabilisers when it comes to knowledge. What I'm getting at in a roundabout way is....Should I be surprised that so many people on this forum love their Seikos so much? N.b. I've got several Seiko watches, so to mix it up a bit here's my Bulova Accutron Deep sea from 1970 (same age as me)