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    • By DouglasSkinner
      I have an old Waltham pocket watch movement which is missing the impulse pin (roller jewel).  I have a limited number of actual jewels and since this is just a practice movement I thought I'd try to make one out of brass.  I've seen this several times in old pieces--usually a very sloppy job.  So I got some brass stock of the same diameter as the "D" in the roller table, filed it and burnished it to a high gloss.  Then I took a small, very fine diamond file and filed it half flat to form the "D"  I then polished the face using progressively finer sandpaper on a steel block.  This works fine--so far!  Problem is separation of the piece from the stock.  Again I used a small cutting file to do this but it doesn't leave the end very pretty.  So what I've done so far is to fit the good end into the roller table.  I then plan to shellac it in place and see if I can very carefully adjust the length and clean up the end.  Has anyone done this before?  Any suggestions as to how best to do it?  
    • By arkobugg
      Cheers mates!!
      Had to get new winding stem to an Omega cal. 342 , beacuse not original crown.
      Got an replacement from Ronda, but does not fit.
      Tried to fit the stem yesterday, but Im not able to get in in right in the movment.   The original just go right in every time, but the new Ronda stem will not go properly in.   Are there anyone that have some ide why this not fit?   Can the notch in the stem where I have put red arrow have somthing todo with this??   Its slightly smaller on the Ronda stem...  se photo  

    • By arkobugg
      Cheers Mates!
       
      Working on a Omega Cal. 613, have done service, and watch performs well on the time-grapher, but when put dial and hand on, I can see that the
       
       
       
       
    • By Harmines
      Hello all
      i wonder if anyone could offer some advice. I have an Omega seamaster 1345 quartz day date. Working well. However it seems the date is stuck (as shown in pictures) i know the push button at the 4 o clock position is meant to filter through the date? However when pushed in nothing seems to happen. As a result of this the watch works fine but only up untill 11pm it doesnt turn over to midnight and therefor change the day or date. Minute hand works perfectly but it seems i have to change the hour position every morning.
      when i turn the crown, hour hand moves fune and after the 12 o clock position changes the day, but date does not moth along with it.
      anyone know how i can resolve this safely without removing too many parts of the movement? 
      Many thanks




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    • Dont know the longevity of watch straps as I have many watches and wear them at infrequent intervals but I can tell you about leather as I'm into leather as well as watches and I've made belts, wallets, bags, watch straps, purses etc. There are many different kinds of leather with the most durable and hardest to cut being stingray which also is the most expensive. I dulled a blade cutting 1 watch strap then there is alligator, croco, caiman, buffalo, cow, pig etc. and there are many different ways of tanning the leather. Tanneries can tan the same leather and produce soft or hard leather, leather with a grain etc. Full grain leather is the whole thickness of the leather and is the best. Top grain is the top layer of the leather after it has been split to make it thinner and produces the top grain and suede then there are the various fakes starting with PU leather which utilizes the suede left over from making top grain leather. They basically coat the suede with polyurethane to make it look like leather. If you ever bought a cheap belt and after a month it cracked on the top layer this is what you have. The suede part will hold up but the PU part cracked. then there is leatherette and another form of leather where they take the scraps, grind them up and combine with a glue and I think they call this genuine leather. A leather watch strap that is sewn together would be made from top grain leather on top or alligator or whatever and on the bottom a softer, more comfortable leather such as pigskin. Pigskin can last many years, I have a shoe lined with pigskin that I have for about 20 yrs. I put 5-7km on it daily and its lasted. 
    • Hello everyone, I have a quick question on the video i referenced above. At the end Mark discussion about dynamic poising. He shows seven different positions results but at the end  he just has three which is dial up, Pendant Down and Pendant forward(which im assuming is pendant up). My question is are you only supposed to adjust the watch in other positions to ultimately have these three positions the only ones that matter? Other question is what are the most important positions you should adjust for when it comes to wrist watches and pocket watches? I think I might be spending way to much time worrying about adjusting other positions on watch when i really dont have to be. I also know it all depends on the type of watch but if someone could give me like their general rules when it comes to this that would be great.   Thanks
    • I have this Hamilton 974 pocket watch. It is running strong however the minute hand move stops at 12:05 everytime it is set at 12 o'clock (the watch keeps running after the hand stops). I've replaced the cannon pinion, and the center wheel (center wheel was a tiny bit bent which I thought was the problem). I've watched it running and all of the train wheels are moving but the hands are still stopped. Any ideas?
    • I don't have the tool with me unfortunately but I think all that was there is pictured. I think it is just whatever cutting tool that is described in the images that is missing. The top part of the Mimo tool is separate to the lower part which is labelled 1CR1, and the top part rotates freely on the base. The red balance wheel holders are then placed on the top of the tool. The first image in the patent is a vertical cross section through the two parts of tool, illustrating the bearing surfaces.    
    • Interesting tool. Are there any other parts in the box? Are any hidden under the one marked "Mimo"? It just seems that something, or things, are missing, relative to the patent. I'd be interested to see the side view, and perhaps the other side of the "Mimo" part. Good job on tracking down some info on it. It looks like it might do well, providing it is complete. Cheers.
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