Where can I download the C07.121 movement decomposition diagram? What is the reason why the movement of the watch is particularly low after the watch is cleaned? Do the plastic parts inside the movement need to be cleaned?
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By LittleWatchShop · Posted
I have both sets and use the K&D 99% of the time. Yes, you have to be careful with the pin. I use a screwdriver to carefully release the pin from the spring. Some skill is involved. I have also modified/replaced the pins in the arbors as necessary. Yeah, you would think a tool would not require modification, but such is the world of watchmaking. There is no perfect tool. Each watchmaker must the tools to his skill, or vice versa. -
I have the 8-11mm K&D but it doesn't do a great job with modern mainsprings, or I have had terrible luck. The arbor pin protrudes too much and I have damaged more springs trying to disengage the arbor than I have successfully wound and inserted. It seems easier to use with old carbon steel springs. My Watchctaft set gets far more use, though I have to get creative to wind left hand springs
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By RichardHarris123 · Posted
It depends on what the gaskets are made from but silicone lubricant should work. Spray or rub on a generous amount, put in a sealed bag and wait a couple of days. Test for softness and wipe off the excess. -
For hardened gaskets, an experienced watchmaker told me he usually found heat to be the best to soften them up. I tried that on a '70's Tissot where the gasket had turned to essentially epoxy to no avail, but eventually got it off with a 5700 case back opener using a crowbar for leverage to turn the wheel.
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By HectorLooi · Posted
Yes. Small diameter ladies watches are a lot harder to open. Sometimes it's due to dried up sweat and organic matter. I usually give the watch back a good scrub with a wet toothbrush to soften and remove any crud first. If that fails, a spray of wd40 and leaving it for a couple of hours helps. I think hardened gaskets also add to the difficulty. BTW does anyone have ideas on softening hardened gaskets?
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