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mostly 600 but I did a skim pass at 800 just to knock the roughest bits down. gives a nice varied grain.
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My exact listing is gone but the parts are: - Celestron Astromaster CG-3 - CME 2”/50mm 3 jaw Chuck
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Narcissus started following Help pushing mainspring into barrel please, again, Lapping setup , Rolex 1570 movement and 3 others
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I’ve always been really impressed by the lapping machines that are used to achieve flat faces and crisp on cases. Although I don’t do enough case refinishing to warrant the price of a machine, I though maybe I could achieve a similar result with something home built. The impetus to try came when I bought an Omega Chronostop. The case came with a sunburst case finish that was long gone and would require precise brushing. I figured I could replicate the multi-axis adjustment by using a telescope head. Found one on eBay for $125. Then added a 3 jaw Chuck for $50. My only issue was that
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Narcissus changed their profile photo
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Working on something similar. Cal 1556 day-date.
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Watch Case & Movement Engraving/Marking
Narcissus replied to Vladimir's topic in Watch Repair Tools & Equipment
Laser won’t be the best. As these parts are likely already plated/polished , the laser will just bounce off. (I’ve tried). You want a diamond-drag cnc engraver. -
My understanding is both are really just for setting hands. Neither do anything to clamp the movement (which was important to me). So I went with the Horia tool. Incredibly expensive but unmatched in quality. You can save $$ buying it directly from Horia.
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If you’re handy you might be able to replicate this handy tool. Rolex make a “casing up” movement holder. It has a pin to engage the stem release and a bump to grab a notch in the movement so it locks in. You never need to flip the movement or case upside down. Horia make them too: https://www.horia.ch/en/Products/Stem-pusher/Tool-for-removing-stem-for-cal-ETA-2824-2.html
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Help pushing mainspring into barrel please, again
Narcissus replied to Lc130's question in Watch Repairs Help & Advice
I use the back of my brass tweezers. No damaging the spring and they are roughly the same shape. The procedure mentioned above is what I do as well. -
date ring change on a 2824-2 eta movement
Narcissus replied to toppercat's question in Watch Repairs Help & Advice
The aftermarket one should be fine. They pop right in and out. There is a little plate with notches that allow the disk to come out and go back in. Just set it in those notches, press the spring in, and it’ll drop in place: This is a Rolex datewheel (upside down) so it’s not the correct fit but you get the idea: -
As far as I am aware, the 1601 is a non-quickset watch, meaning there is no date-change setting. You have to go all the way around in time-setting mode to advance the date. Sorry. The “gritty” winding could be any number of things (dried oil, worn gears, etc). The hands may have been misaligned during a previous service. If they truly are rubbing you’d see marks in the lower hands where the upper ones have rubbed. Do you see any such marks?
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Have you not watched Mark’s videos?! You’re on his website anyway he talks about this and the fact that it’s a cheap clone. You get what you pay for.
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Clone 7750 has a few extra parts
Narcissus replied to AP1875's question in Watch Repairs Help & Advice
This is a 7750 converted to run the seconds hand at 12 for a replica AP ROO. They’re just pressed onto pinions. You need long levers or presto #3 to pull them off. -
116610 Ceramic Submariner CRYSTAL REPLACEMENT???
Narcissus replied to GCBC's question in Watch Repairs Help & Advice
The 116610 uses a crystal retainer ring to hold the crystal and gasket on. These can typically only be removed successfully with a special Rolex tool. BUT if you’re determined you could slide a blade underneath it and work around until you create a gap large enough to pull it off. Pushing it back on requires a precise due that is just bigger than the crystal but small enough to still fit atop the slim ring. Part 319 is the retainer ring.