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mikepilk last won the day on March 7

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About mikepilk

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  1. Unscrew the highlighted screw 1.5 to 2 turns
  2. I had the same dilemma with my cal 565. I ended up putting the tiniest smear of oil (9010) under the spring. I hate those springs - very easy to accidently bend, and then break, trying to get the correct pressure on the pinion. And of course, being Omega, not cheap to replace. Too little pressure and the second hand judders, too much and it kills you amplitude.
  3. You won't regret it One more expense though - you really need an LED light ring to see what you are doing
  4. Not cheap I'm afraid. But I find it invaluable. No more squinting through a loupe whilst trying to get enough light and tools in. Just sit comfortably and work with a clear, bright, big image. I have one similar to this www.amazon.co.uk/3-5X-45X-Stereo-Microscope-Single-Stand I normally have it with a 0.5 x Barlow lens which gives me up to 20 magnification, but enough working depth to get screwdrivers in (about 15cm). I rarely need more magnification, even for oiling pallet jewels, though I can go up to 80x mag for a close look at jewels or pivots. You can zoom the magnification in a
  5. Since buying a stereo microscope, I do the complete reassembly and oiling using it. So much easier, and you can spot the tiniest bits of dust and dirt.
  6. Sapphire watch crystals may have come about as a bye product of the defence industry. Single crystal sapphire was grown to use as sensor windows for infrared sensors and missiles, due to it's toughness and being translucent to infrared. So possibly created late 50's - 60s, but the military wouldn't want it out in general use. My guess would be no earlier than the 70's ?
  7. Lighter fluid (naphtha) doesn't dissolve shellac. It's isopropanol which dissolves shellac. I would never remove the hairspring just for cleaning. No point, and risk of damage. I mount the balance to the bare main plate, having removed the balance jewels (if shock protected). I then run 2 x 3 mins cycles in the ultrasonic in a glass beaker of naphtha (sat in warm water). Blow dry, and then about 1 minute in a beaker of isopropanol in the ultrasonic. All other parts I do either 3 or 6 mins in the naphtha, then 3 mins in isopropanol, APART from the pallet, which I only leave in
  8. I use Naphtha I buy from ebay, from an industrial chemicals company sold as "Petroleum Hydrotreated Light SBP3. It's not too expensive bought by the litre, much cheaper than something like Horosolv But I always finish with 99.9% Isopropanol to remove any residual oiliness.
  9. Those darned "loose Soviets" . (I now know you use voice recognition software) I tried an old pallet in naphtha in an ultrasonic for 6 mins with no noticeable loss in shellac, but after 30 mins you need to check.
  10. That's why I started out with pocket watches - much bigger and easier to work on, though the screws seem tiny to start with. American watches (Waltham, Elgin etc) with 15 jewels are great to practice on, and parts can be found. Once I felt more confident (after about 15 watches) I moved on to wristwatches - and still trashed a couple to start with.
  11. I started with lighter fluid but now use a more pure naphtha I buy from ebay. I put the parts and naphtha in small glass beakers sat in warm water in a small ultrasonic (cleaning by hand is fine - but peg the jewels). As lighter fluid/naphtha leaves an oily residue, I always do a final clean in isopropanol, which leaves no residue. Note the IPA will dissolve shellac (pallet jewels and impulse jewel) but only slowly. I've tried an old pallet for 6 minutes in the ultrasonic with no noticeable problem.
  12. If its friction from your seat, lightly spray it with water. Earth yourself on a radiator or tap before using the oiler. If you are wearing shoes with rubber soles they prevent you earthing to the ground. You could sit with your feet in a bucket of water
  13. Interesting. Could be static electricity? If you do get charged and are holding a very fine wire, all the charge will try and earth through the end of the oiler. It's like a lightning conductor in reverse! Is the weather dry, and are you sitting on a synthetic seat ? If so, every time you slide about you could be charging up. My seat is nylon, If I slide off and touch the bathroom tap I can feel a slight spark as I earth. Shocking
  14. There are different Bergeon Presto type tools for wheels with 5 and 6 spokes. They do a cheaper option : https://www.cousinsuk.com/product/wheel-hand-roller-remover-bergeon I have removed them by using razor blades slid under the wheel (and some tissue paper to protect the bridge) Or, as @Nucejoe suggests, leave them attached to the bridge if you can.
  15. By "Bergeon red" I assume you mean the super fine Ergonomic oiler? That's what I use. I spread a very small amount of 9415 across the bottom of an oil pot. This thin layer allows me to pick up a very small amount - but even then it's often too much, so I touch it to my thumb nail to remove some
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