Anyone Worked On A Seiko 7T34 Quartz Movement?
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I use Fixodrop on cap jewels, pallet stones and escape wheels. I just hold the jewels in some Fixodrop for about 30s then let them dry. -
By nickelsilver · Posted
I hold the jewel by its outside, dip in Fixodrop, lay it on paper and let it dry. With shock jewels, I then place oil in the center of the cap, and place the hole jewel in setting on top. With normal jewels, I assemble, and oil through the hole jewel. -
By Neverenoughwatches · Posted
To add to this unusual cleaning idea, there is another type of device whereby the internal spinning parts that move through the fluid are not physically connected to the motor. The internal whisk is propelled via a magnetic connection, so no damaged gaskets due to solvent contamination. -
By Neverenoughwatches · Posted
This is a method that Jon uses, and has posted a video of performing it somewhere . -
Did you watch the whole video? Once Alex has set the stud, he first corrects the best error, then checks that the hairspring coils are breathing concentrically, then turns the stud to centre the hairspring between the open regulator pins. He then checks that the regulator can traverse the terminal curve without disturbing the hairspring. A correction is needed, which he performs. He then reinstalls the balance and re-centres the hairspring between the regulator pins, and verifies that the regulator traverses the terminal curve without disturbing the hairspring. Finally, he demonstrates how to close the gap between pins. He then recaps the whole process, fleshing out more detail. If you follow this process, you have correctly set up the regulator pins, and are ready to set the rate of the watch. If you are interested in learning more about the effects of the regulator pin spacing on positional rates etc, you can read any literature regarding regulator pins. The etachron system makes adjusting beat, centering the hairspring between the regulator pins and adjusting the gap between the pins very convenient, but the same rules that apply to old style regulator pins apply to the etachron system. This video explains the basics : I hope that helps, Mark
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