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  2. These are best left alone, lubricate from outside with a very fine pin applicator.
  3. Hi Peter I have attached the Series 3X tech guide and the NH36 tech sheet. The Tech guide has all the parts and the oiling plus assembly information hope you find it useful. jdms suggestion of sourcing bits from ebay may be the best course of action of see If you can lay you hands on a Bombay special from India or check out cousins uk. cheers Seiko NH36 (1).pdf Seiko NH3 Series.pdf
  4. I take it the jewels are not readily available. First time trying to install the shock springs, lost both jewels. Not a good day.
  5. @jdm Hi jdm, is there a short list of parts that are (or are not) compatible between the NH and 7S series? Also, what do you think of the reliability between the NH35 and the other major Japanese and Swiss movements. Thanks. Sent from my SM-G975U using Tapatalk
  6. Best is to get the cheapest 7S26 "for parts" and take it from there, that will give you more parts as well.
  7. Hi Nucejoe I have dug up the AS5100 tech and the 5200, the lemania and the Omega are already posted so a comparisson could be made cheers AS 5100, 5101, 5102, 5103, 5104, 5106, 5150, 5151, 5152, 5153, 5154, 5156.pdf AS 5200, 5201, 5202, 5203, 5204, 5206 (1).pdf
  8. I've lost the cap jewel (NH36) that goes in the barrel/train wheel bridge. Seiko doesn't specify the part number, it looks like it's part of the bridge. Any idea where I could get a replacement?
  9. Today
  10. This is probably exactly how they are setup with these Omegas too. I use to take a shot when working on watches and by a chance I found one when I changed the balance staff on one of these.
  11. You might this helpful. http://gmpf.com.au/pages/wp-content/uploads/2015/04/Pigeon-racing.pdf
  12. Never say never. Almost any half decent movement can be made to perform at "chronometer" specifications with enough effort. Whether or not it's worth the effort though is up to you.
  13. My rule of thumb is that you want to stay above and away from 220 as that's when the effects of balance poise errors get flipped and magnified. Your movement dipping in and out of 220 isn't doing it any favors in terms of positional consistency.
  14. Yes if not reversing wheel then it's probably a wig-wag mechanism that's not wig-wagging. Either way it's a clutch mechanism that's become seized in one way or another.
  15. Hmm, that's what was in there? What's the movement diameter? 0.12 is still pretty strong for anything I'd call a "ladies" movement. For example a Peseux 7001, at 10.5"' takes a 0.11 or 0.12 depending where you look, but at 21,600 does need a bit more power. A typical 10"' LeCoultre from the same period as your patek takes a 0.10 or sometimes even thinner. These are what would be considered smaller mens movements. On edit- Ah, ok, you actually have a barrel with a 9mm inside diameter? Ok that's not what would typically be called a ladies movement even if in a ladies watch. The one you just posted coud work but it's anyone's guess if the T from a Waltham spring lines up.
  16. Hello, I found a code Any opinion, do you think it will work? Can I find this somewhere? 10x TibiV sr
  17. Hello again, Nickelsilver was very right and thank you Today I bought a micrometer Results: 1,12 -0,12 - 280 - 9 Has a hole and at the end it has tong Thank you again BR Tibi V sr
  18. The standard is with the roller centered with the arms, it the most aesthetically pleasing, also means the arms are not obscuring the fork when setting up the escapement, and makes visually checking the amplitude easy. As the roller is not poised, it does have an effect on the balance poise. So balances are always poised with the roller in place. For fun, reverse the position of roller and hairspring 180 degrees on a watch with a good rate in the vertical positions. It goes way out. On 3 arm balances it can really be anywhere. If in doubt after replacing a staff, bet on placing the roller jewel opposite where metal was removed to poise the balance.
  19. To highlight that sequence of events I wrote "makes the pallet move", meaning "initiates the movement of the pallet". Of course the pallet also transmits significant power to the impulse jewel and certain parameters can be optimized for a nicely "self starting" mov't, but all that I've omitted for the simplicity of discussion. I have been searching on (digital) old texts about the importance of this, but haven't found anything so far. Intuitively it seems to me that with a perfectly poised balance there should be no difference in performances no matter how they sit, but likely there something that escapes me? Not to say that it would be acceptable for a factory or repairer to assemble in a inconsistent manner, and before considering that three and four spokes balances also exist.
  20. @JohnR725 Thanks for the information and encouragement. Much appreciated. Sent from my SM-G975U using Tapatalk
  21. Impressive artistic impression in your presentation already. Should not underestimate your aptitute handling tasks as you do, no doubt on your way to acheiving masterhood. Best wishes.
  22. That's awesome! I'm going to try that on some of my scrap bin parts and so how it goes. I've already got everything on hand except for the denatured alcohol. I'll have to pick some up on my next run to town. All of what we have now is "good natured alcohol".
  23. Not strictly correct. It is indeed the impulse jewel that knocks the pallet out of lock, however once the escape wheel tooth is sliding down the impulse face of the pallet stone it is the pallet that is accelerating the impulse jewel. So both pallet and impulse jewel take it in turns to make each other move.
  24. Hmm so OP probably put the new spring fairly close to where the old one was, but the roller is still out of place. When the balance is at rest, with the fork engaged with the roller, fork between the bankings, the balance arms should be perpendicular to a line drawn from escape jewel to balance jewel. They should really realign the roller, then get the hairspring oriented correctly.
  25. Right. But looking at the mov't picture from Ranfft's, the pallet sits inline with the cock screw and the balance. And in the OP picture the impulse jewel is inline with the same said reference points. That should make so that the jewel is in the proper position are when the balance in installed, and the watch should at least run anyway.
  26. The next one from my ebay job lot, a 'Gisa Soleure', another Baumgartner 866 based watch, this time with centre seconds, the dial branding is a bit 'naughty'! I assume the 21 is meant to fool you... (note there is no mention of 21 what!, it certainly isn't jewels!) Many watches from the era seem to employ this ruse, and I've seen Ebay listings where these are stated as '21 Jewels' so it is still fooling/conning people today! This one was a little dirty and wouldn't wind, crown would just spin, on opening it up I found the setting lever spring/yoke (single part) was broken so it wouldn't stay in the winding position. With it open I held the sliding clutch and wound it a little, but there was then the telltale slipping noise after a few turns of a broken mainspring. Going through the rest of the batch, I found a Regalia also with a BFG 866, it has a badly damaged case,dial and crystal, so I raided it for its setting lever spring and going barrel. Another note on how clever this movement is in terms of cost down, the four screws securing the top plate, which serves as both train and barrel bridge, also secure the click spring, click spring hold down, balance cock and pallet cock. It does make reassembly a bit more challenging though! After a good clean, strip and reassembly/lubrication, it functions reasonably well (within a minute +/- all positions which will do so far as I am concerned). The crystal has some light marks, I have some polywatch on the way to attack it with. I didn't need to jazz up the seconds hand on this one as it had a funky one already! I quite like it, the dial is a little squint (only a fraction), but the position is fixed by crown and dial feet, and when I look at others online it looks like they all may have been like this! I could resolve it by removing the dial feet, might do at some point if it bothers me. Just fitted with a new strap today and I'm quite taken with it, but I'll probably re-sell this one at some point.
  27. Good morning everyone. Is this a two piece stem? Does anyone know the year and model. It's running great it just needs the second hand put back on.
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