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Delgetti last won the day on February 15 2017

Delgetti had the most liked content!

About Delgetti

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  1. Watch of Today

    I'm on my way to become addicted to old chronos. Recently got my first calendar, a Wakman Jumbo. Looking forward to disassemble and service it.
  2. rolex caliber 1560 and 1570

    Yes, base caliber for both movements is 1530 and the parts which hold the hands didn't change over time.
  3. 2 Questions regarding regulating

    I also come very often to this problem concerning watches with a regulator arm. I built this little tool. The tool head grips over the regulator arm while the watch is on the timegrapher and due to the tools long lever arm (which is about 4 inches) I can manipulate the regulator position very precise. Here are some pics of my work on a watch which ran constantly +4 seconds per day and I could slow it down to +1 second.
  4. Can Venus 175 & 178 parts be interchanged

    Hello, I'm not sure, but in the part lists of both calibres it seems to be the same (No. 8000).
  5. Rolex 1570 losing time

    You say the effect only occurs in dial up position. So in my opinion it may be an issue with the bearing on the balance cock side. I would take out the shock absorber and clean the jewels. Have a look at the balance pivot if it looks fine and also clean it. Then reassemble the whole thing with correct lubrication and try again on the timegrapher. The old 1570 is quite different from the 3135 and doesn't allow endshake manipulation by screws. Sorry for the terrible english, no native speaker.
  6. Which tool for creating lume dots?

    Thanks a lot. I have a similar tool and will try this and also the way with the oiler. Of course on an old training dial first.
  7. Hello, until now I have only relumed some hands but now I have to relume a dial for a Landeron 248 project. The original lume was only 12 tiny dots at the end of the minute markers, diametre a bit smaller than 1 millimeter. How can I create such little dots and insure that all of them become the same size? Which tools/techniques do you use? Thanks in advance.
  8. hairspring studs for Rolex

    Hm, as far as I know the spare part balance ist complete with stud. The part-nr. for caliber 1560 is 7980. Looks like this: The stud is special, it has a triangle shape, which insures correct positioning in the stud holder. I don't know whether it is possible to purchase a single one. I've never seen one on the bay or elsewhere.
  9. Hello, once again I'm working on a landeron 248. I would like to replace the old hands (which are corroded and bent) with new luminous hands. They should look like those which are used in the rolex handwinding chronos 6263/6265. Ranft mentions diameters 1.30 and 1.85, not very common. Does anybody know where I could buy such hands? Thanks in advance.
  10. Help on an ETA 2391

    Ok, I reassembled the keyless works and the wheels for time setting yesterday evening and it works. Thanks to FlyingWatchmakers advice I knew where to look. Here is a pic of the downside of the minute wheel. Easy to spot the 3 mentioned areas which work as springs. I put a very little amount of 9501 in this area and blocked the minute wheel to test. Time setting works with a good feeling of some friction.
  11. Help on an ETA 2391

    @FlyingWatchmaker: Thanks a lot. So the cannon pinion isn't totally fixed to the wheel, but can rotate against it. I couldn't spot that on my watch. Maybe a little amount of grease is needed here as the part was cleaned? I will try reassembly during the next few days and give a feedback here.
  12. Help on an ETA 2391

    Hello, does anybody here know the ETA 2391 or a similar movement? I have to reassemble this one and I have to admit that I don't really understand how the time setting works. I only know the standard design on other movements with a cannon pinion. When you set time, the cannon pinion slides over the minute tube. But on this ETA 2391 there is no seperate cannon pinion, it seems to be fixed to the minute wheel. But how does time setting work with this? Which part can do the sliding? Thanks for any help.
  13. Watch of Today

    No problems with magnetism this weekend.
  14. Now on hodinkee with an explanation of the function: