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Thought this bit of nonsense might be interesting to members.

It's also known as perch or perchloroetilene. I'm using it and works fine, although one-dip was trichloroetilene, banned in most countries due to its high contamination rate, so one-dip has changed to B-dip.

Coke is friendly to most metals.I have a list of stuff by Merc somewhere around here which may include the stuff you talk about, haven't tried other Merc products. A lady friend Phd in Chemistry answers my questions and provided me with the list and access to list of Merc chemicals she had in her office. Haven't yet found a source for tetracholroethilane, heard its the one-dip for hairspring. I also plan to try highly refined petrolium ether and report the results, I am a lazy old fart. ? Regs joe

Kienzle, No jewels.

Unlevel barrel lid can cause this, one side sits low, the opposit high, spring doesn't rub in the middle but do at the lower end, it takes 20 hours to the circles that rub on the lower side.

If you do not mind, I will print and frame your message and hang it on the wall as a reminder / warning.

My personal advice: get it back and have it serviced by an honest, reputable, independent watchmaker. It will cost less and you will have not to hear nonsense.

I've searched again on my notes and One Dip is not TCE, but 99,4% Tetrachlorethylene, which is what I use and I source from a chemical products store. I do not know what ingredients are in B-Dip.

One-Dip is available at Ofrei.com and Esslinger.com I have a small bottle it's ok for a quick clean but as far as loosening stuff I'm not sure. TCT is some nasty stuff and becoming rare in the states. They're banning everywhere. Heavy irritable odor too. I use it once in awhile for just that: one dip. I'll look up the brand name of that other stuff I saw. Always curious to see if that works.

Hi Thee below is always a good reference, attached is the page for the Landerton 148. Jules Borel and esslingers are good sources in the USA. bidfun-db Archive_ Watch Movements_ Landeron 148.html

The movement is brass, be careful with the rest as it is only plate and you don't want to rub that off.

They both appear to be "vintage" - I would rather get a new alloy mainspring from CousinsUK than try my luck with one of the older / vintage / new old stock mainsprings.

haven't even got to the movement yet! clean and polish...brass brass and more brass! K & O 400 day circa 1950

I'm from the Cretaceous period myself. Try this: Right click highlight a particular text or sentence from a post. As soon as you let off the mouse, it should prompt you to 'quote text.' click on it, and presto. I think.

Pick one system that you are comfortable with. Let's say metric. Voila! 1.35 x .145 x 380 x 12 Non-Automatic GR3530 334 In Stock £11.95 EACH

Yes you can. While writing a posting click "Other Media" bottom right, "Insert existing attachment" is presently the only choice. Then enter a portion of the filename if you know it, or browse all the thumbnails.

A fellow forum member explaine that coke contains phosphoric acid which does clean, so I found some 80% phospheric acid by merc of germany to buy, will test and report to you Gents. Once soaked I brush with a toothbrush and powederd detergent, little water at first to scrub the powder on parts then brush under tap water.

Hi Drink the Jameson's while waiting for the rust to dissolve?

Every dial is different. Sometime we read here people wanting to clean corrosion or substrate reaction, or faded paint - you can't do that. While a damped earbud, applied gently, is almost always safe, I have seen cases were it was not. So avoid any chemicals and try first to understand well what is dirt and what is not, what the dial can take and what it can't. Of course, experience helps, when in doubt post good picture here as good advice is always present.

Really? ? Aren't we "forcing" every screw while removing or installing it? Aren't we forcing a crystal into bezel? Just saying.. DO NOT FORCE ANY PART. perhaps force it a little? ?

Hi The word "Tampon" in watch making parlance means the small plugs at each end of the cylinder being the pivots which are plug ins and can be removed and replaced as long as a source can be found.

1919 Burlington by Vortic Watch CO. USA

Has anyone here had experience with Omega Factory servicing. I've sent a watch for service to them and they want to replace the dial due to "lacquer coming off the back of the dial". Not a fix, but a replace at 1 1/2 times the cost of the service! Anyone else have a story on this topic?