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Hello fellow members, I am a complete novice with regards to watch repairs, I have replaced a couple of movements for battery watches and I’m fairly good with intricate tasks so I’m considering attempting to replace the mainspring on a small Omega watch from around the 1960’s…. I’m not sure if this is something that would be way beyond my capabilities or whether it’s even worth attempting? I would appreciate any advice with regards to this and if there are any posts or forums etc already available on your site I would love to be directed to them…. I’ve had a quick browse but it’s a bit overwhelming for someone who is not conversant in horology and its terminology. I really need an idiot proof step by step guide if there is one available? Many thanks, N Ford
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Dial silvering is quite easy if you have a good silvering kit. I have silvered many dials and also wax filled numbers. This is what I used. Works every time with first class results https://www.hswalsh.com/product/clock-dial-silvering-kit-hs1483
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Hello All, I’m restoring an AS/ST 1686 movement. After service, the beat error is 2.0mS and I’d like to adjust it. The stud on this movement is fixed, so I’ll need to adjust the collet. I’m doing this as practice in the technique as much as anything. I’ve done it successfully before on a different movement, also with a fixed stud, but on that occasion I managed to fluke the direction I needed to turn the collet and reduced the beat error pretty much by accident. I didn’t learn how to determine in which direction the stud needs to be turned. On this current movement, the pallet fork looks pretty well centred between the banking pins to my eye, but clearly it’s not. What tips can folks give me to work out in which direction I’ll need to turn the collet once I’ve taken the balance out of the movement? I’ve read some suggestions on other forums but they left me confused rather than enlightened. Looking forward to learning what others do. With thanks, John
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Did you service it yourself and what mainspring did you use as this may also be a problem?
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Silvering is one of the few things I have actually done, with success. I followed the method described here: https://www.cousinsuk.com/PDF/products/8514_Silvering Clock Dials.pdf Essentially, I bought silver nitrate, dissolved it in water, precipitated it out by adding drops salt water (dissolve ordinary table salt in water and add until it stops turning cloudy when you add a drop). The white precipitate at the bottom is very fine silver chloride powder which can be filtered out and dried. Add cream of tartar which is available as a cooking ingredient and comes as a fine powder, which is soft anyway, and ordinary salt which needs to be crushed to dust. Ideally grind the three together as described in the link, using a pestle and mortar, but this can be improvised with an old teacup (try to avoid a mug as is harder to grind the material in the corners) and a suitable pebble to act as a pestle. I found it worked quickly and easily when taken up on a small piece of damp, lint-free paper and rubbed on. Alec
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