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9020 would be better as it's less likely to spread. 9010 has a habit of spreading unless you use epilam. Out of curiosity I was looking at whatever time makes manuals I have because Timex is famous for no jewels. So their update the lubrication and 74 formally had them using ELGIN M56B Oil which is outstanding oil that has a habit of not spreading but hard to get because Elgin wasn't making it anymore. So their recommendation is 9010. Then in the service guides themselves the use the Words carefully metered Which is exactly what oldhippy Was describing.

Ok, so in the end I got this Boley set in really immaculate condition. Can be used in the inverted style and has the ubiquitous 4.7mm sized stakes. 250 Euro (incl shipping). Only a few elements are missing (and I don't need the reamers that could be in the front right - I have them in my Seitz press). I'm happy. Now I just need to find good use for it

This has been on my list of TBDs for more than a year. I just want something that will measure the time between tics and ouput toc-tic and tic-toc times plus the sum so that I can measure beat performance and rate. I hacked this together this morning. All I am measuring here is button pushes. I will ad the analog input for the piezo sensor later. First two numbers are the toc-tic-toc beat times and the last number is the sum of the two. All in milliseconds. Apart from a case and some bells and whistles, I should be able to build this for under $20.

I have taken a Smiths strike clock spart and on looking at the time side spring there appear to be little tears by the outer hole (see photo). The strike spring does not have these. Do you think I should buy a new spring? (I have a spring winder)

I picked up this 033 75 Timex automatic at an antiques fair this morning in a lot with 2 other watches. This one is completely original and other than the broken strap, in great condition. Some DNA that took about 20 minutes to clean up with rodico including a quick crystal touch up with polywatcn. It seems like it was worn for a bit and when the strap broke it was put in a drawer. Put a temp rubber strap on and for £8 can't really beat it. Runs OK on the timegraoher but probably can be adjusted...

Thinking about sensors you should also look into an optical sensor. Often times for clocks they like optical sensors. Yes this is an interesting world we live in where for very little money you can make some really impressive projects versus what we could do when we were learning. Even just trying to get a microprocessor for seven dollars used to be an issue.

I think the rule of thumb is the diameter of the uncoiled spring must be at least 3X the diameter of the barrel.

Hi Joe. Exactly so if the spring is tired and set it’s useless and will not deliver the power required. Repairing a duff spring is a waste of time. I think it’s question of experience and common sense when assessing the spring, you can some times re vitalise a spring by placing the loose end in a vice and stretching the coils. This is only a short cut and will not last . Depends if the client is willing to pay for a new spring.

Well, I love that K&D you show in the picture. I have several sets. I have rebuilt the arbor on one and repinned the arbor on another. So, they will last forever. It is my go-to winder for everything but pocket watches. I have several sets because I inherited one set from Dad and it was missing one of the arbors so, I bought another set and then I got bits and pieces more from watch tool lots. My motto is to "Buy them all up before the hoarders get them."

Yes that is a good oil. Just be careful it is a thin oil so with no counter sink holes for the pivots just a tine drop, you do not want to get the oil over the plates.

Hi. Regarding the cleaner , I can’t say as I use the priory one not used horolene although OHippy did and recommends it.

Ah the lady diver uses this movement too, lots of info and walk throughs already out there with just a simple google search. Such as: https://adventuresinamateurwatchfettling.com/2015/01/14/lady-diver-the-seiko-2205-0760/ Saves me a lot of work, almost every one has a better camera

It is not like a well you would have if the pivot were jewelled. Besides those circles are so big if you filled them with oil you would flood the plates and the movement would not work correctly. He is a new member and at a guess inexperienced. BobHadababyitsab, no question is dumb.

Yes you should oil. The trick is movements like the one showed do not have oil wells. So be careful not to over oil, You do not want to flood the plate, so make sure it doesn't come out over the pivots circle. The tiniest amount of oil on the pallet pivots.