COMPARING WATCHES ON THE TIMEGRAPHER - Baltic, Rolex, Seiko, (Weishi 1000) - Part 2
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- เผยแพร่เมื่อ 10 เม.ย. 2022
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#Timegrapher #Rolex1501 #BalticAquascaphe
Do you want to learn how to use a timegrapher? Watch here: th-cam.com/video/0d_GdPDtNDQ/w-d-xo.html
Nice job. You might explain what increasing or reducing the microphone gain does. It can be adjusted by pushing the up or down buttons while it's in operation. A gain graph will appear in place of the movement frequency in the upper right. Many of my older watches can show random dots on the trace (maybe explain what the trace is and random dots as well) which are much if not entirely eliminated with a higher gain. This has to be adjusted each time a different watch is placed on it since the 1000 has an auto gain feature that resets it to something less than maximum each time. Also, it seems that the 1000 is designed to have watches placed with the crown toward the right since there's a notch there to accommodate the crown. But usually the mic will get a more powerful signal and more accurate readings with the crown on the left, where the mic is.
Another great tutorial video. Thanks so much! I learned a lot.
Immensely interesting! Though the 90s Seiko 5 is definitely in need of a thorough service, it is no doubt a gorgeous, elegant watch! In my modest opinion ofc :)
Good video! Thanks 🙏
Great video. Do you know the model name of the caliber in the vintage Felca watch ?
How does one identify the lift angle of a particular movement?
The lift angle of a watch refers to the "travel" or distance that the pallet fork impulse pin traverses between when it strikes at the leading edge of the beat (tick) to when it strikes the trailing edge of the beat (tock). You can think of it as the thing that generates the "free wheeling" distance of the escape wheel that actually makes the "ticK" and "tock" sounds happen. This number is typically between 48 and 54 degrees. The actual number is provided by the movement manufacturer.
Here's a way to reverse-engineer it (using timing marks, like with a car)
th-cam.com/video/-X6IzW5j370/w-d-xo.html&ab_channel=spidiq8
Here's a great explanation, with diagrams.
wahawatches.com/watch-talk-whats-the-lift-angle-of-a-watch/
Google it.
Had my watch regulated on a iomegrapher a couple of days ago but see on a video that they sent me they had lift angle set at 52 ...I can see on line that the movement is actually 50 degree lift angle ( SW 200-1 ) ..would that mean the results showing on the time grapher ( regards actual tme keeping ) are incorrect or am I just overthinking it ??
I would say that lift angle does make a difference. Although it is hard for me to tell how big the difference would actually be. I guess the beat error would certainly seem bigger, but I don't know about the accuracy.
From what I see online, an incorrect lift angle would only give an incorrect reading for the amplitude, which isn't changed by regulation. The beat error and daily rate won't be affected. These readings are only accurate to +/-1 second/day for the rate and +/-0.1ms for the beat error on the Weishi 1000, and when compared against a professional machine, they can be off, with the amplitude off by tens of degrees, so I wouldn't put too much stock in them. There's a phone app (at least for Android) called Watch Check that you can use to check the actual daily variation of your watch over time. I'm doing that right now, and so far the daily rate matches the Weishi 1000 very well.
Who calibrates the calibrator? IE: these timegraphers don't seem like they are "certified" by anyone.
It's like using a cheap torque wrench that's never been calibrated.
I was concerned about that, too. I thought there might be a constant error in my Weishi 1000, because when tested with a phone app frequency generator it appeared to be consistently off by 2 sec/day. There is a USB port on the back for factory calibration, but no user calibration procedure. There are no adjustable components inside, so any calibration would have to be done by software. So I used another phone app to check the actual daily deviation of my watch by recording the time at the same time every day, and so far the results match the Weishi. The timeographers may not be perfectly accurate, but neither are the watches.