Movado Ermetaphon - outer case removal
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The new iOS app for watch enthusiasts just got released! The app helps easily identify watch movements caliber (with most advanced filtering options), and also the most up-to-date list of U.S. import codes found on the movements. The app and the data is being constantly improved and updated. Hope you will find it useful. Get it at thewatchmakersapp.com!
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yep! 🙂 these were for factory and or service center use - I have managed to come across a few myself.
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Thanks very much for your thoughts @nevenbekriev...I tried to get a better picture of the side pivot, but it was tricky. I've zoomed in a bit in the attached. I'll need to use my microscope to take a closer look. The cap stone looks to be in great shape (see third picture above). I was thinking about pulling off the hairspring and seeing how freely it spins...I can give that a shot. I'm tempted to just replace the balance staff. 😁
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Hi thanks for the response. When I got the watch it was running really low amplitude and around +400seconds per day so I thought it just needed a service at first. I did notice that the balance wasn't spinning as freely as it should be when I put it back on the mainplate for cleaning
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This watch has a center wheel with a push out center pin. The cannon pinion is tight on this pin. Am I right in thinking there needs to be some slip in the system to set the hands? In some movements the cannon pinion slips on the pin, in this movement the pin slips in the center wheel. I have 2 movements. One has a good wheel but the pin is very tight (it's bent and got some dents, presumably to tighten it up in the wheel) the second has a snug fitting pin, feels good, but the wheel is rough. Good pin in good wheel is loose. Am I right in thinking if it's loose the hour hand won't turn as the center wheel won't turn the cannon pinion. Assuming all my thinking is right so far, my question is, how much slip is needed? I'm sort of going on some incomplete information I picked up somewhere else, I might have gotten how this works wrong. The cannon pinion is very tough to remove as it's tight on the pin, so don't really want to be taking it apart over and over trying to get this right. While we're at it, what's the proper way to get the cannon pinion off these? I'm sure it's not the way I did it 😂. Also, what's the proper way to refit? I've done one before, I supported the bottom of the shaft and pushed the pinion on. Not 100% sure I got it on far enough, but it all worked. Are you supposed to use a staking set and knock the pinion back on?
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