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AndyHull

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AndyHull last won the day on August 29

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  1. Indeed, perhaps I should have been clearer, the watches I referred to were not Seikos, but the fact remains that you should not assume things are as they appear.
  2. I have encountered one or two watches that appeared to have screw on case backs that were either prize off types or just there for decoration, and designed to confuse the unwary traveler.
  3. Even without seeing the watch, is it a screw on back? If so.. don't tell anybody I told you to do this, and don't blame me if it all goes horribly wrong, but my go to trick for screw on case backs that wont budge is to superglue a large metric nut (imperial would do, assuming you have a matching spanner or wrench) on to the back, carefully centered, wait for the glue to set (about one coffee break's worth of wait should do it), then place the watch in my vice, with lots of cloth and cardboard to protect it from the jaws, and... turn the nut with a suitable (or in some cases unsuitable, your choice) spanner or wrench. I haven't met one yet that didn't yield. However, all that being said, there is a chance that the back of your watch might not come off at all, as some watches are designed to allow the movement to be extracted from the front, hence the need for pictures, so we can figure out if it is a "front loader". Oh.. and removing the nut can be done with acetone, or more usually a carefully arranged tap with the edge of my case back opening knife on the interface between the nut and the case back, being extra careful not to mar the case back in the process. Any excess superglue is then removed with nail polish remover (acetone).
  4. Pictures.. my metric calibrated eye only works with pictures. Oh.. and what is the model number of the watch?
  5. You will get away with about two thread turns of missing depth that way (allegedly.. not that I would know of course) any more than that and you might have to resort to a stem extender or a new stem.
  6. The Snoopy one was just a simple band, more like this rather tatty example. Those ones you have wouldn't look out of place with the understated fashions of the time.
  7. Snoopy got an upgrade. According to various internet sources, originally the 1978 Timex Snoopy watch had a "Denim" style watch strap. I spotted a very similar one on some of the cheap novelty watches from China that pop up constantly in my ebay feed. The novelty watch cost less than I pay for a leather strap, so I ordered one, and that particular slow boat from China must have arrived today, so as a result, Snoopy gets another outing as my "Watch of Today". I replaced the "silver" buckle with a "gold" Timex one from a rather scruffy leather number in my scrap box. I think it now looks pretty darned close to the original.
  8. Hi and pranam and welcome to this friendly forum, As you are no doubt aware, India has quite a number of current and historical watch companies. I look forward to seeing your progress in building your own watches. Kind regards Andy Hull
  9. That part number - CH2189W - seems to turn up quite a lot of info too. It is not uncommon for the same, or similar movements to be listed with different part numbers by different suppliers, and for the same or similar Chinese movements to be produced by more than one manufacturer.
  10. This link might also help http://www.startimesupply.com/product/CH2189W.html I think it is the same movement, or at least one that is closely related, and there is a partial picture of the keyless work.
  11. More Russian fun. A before and after picture of the Sekonda which I posted about previously. This arrived as a non runner (as most of my watches do). I cleaned and serviced it yesterday and have been wearing it most of today, to let the lubrication bed in. When I got it going initially it showed evidence of previous tinkering and was sitting with a beat error of 14ms or more and rattling away at +85 sec/day or so. I just checked it again, having left it at +70s/day yesterday, in the hope that as the lube settled, the rate would fall, as indeed it has. Dial up Dial down As you can see it is slightly stronger dial up, but I'll let it run a bit longer, then set it around -5s/day dial up and see how it goes for the next 24hrs. I'm pretty pleased with the results so far, including the date change which fired at almost exactly midnight last night. Yes, I am sad enough to have sat and watched it. This particular caliber the Raketa 2628.H also has a date quick change by pulling the crown to position 3 returning to 2, rinse, repeat etc.. A bit of a novelty when you have been dealing with ancient Timexes, with all of their fiddling with spinning backwards and forwards of the hands round midnight to get things set correctly. The 17jewels.info page has a partial tear down which gives a hint about this feature, which you might not be aware of. All in all, this is another pretty nice watch, especially considering its pocket money price.
  12. The "small part" looks most likely to be from the keyless work, and looks to have been held in place by a screw. Is the movement an automatic or manual wind?
  13. That looks suspiciously like a PTS Hangzhou, one of the most common Chinese skeletonized movements. Something like the one above. You may find some info here -> http://www.ptsresources.com/watch_handwinding_01.htm and here -> https://www.rwg.bz/board/index.php?/topic/808-chinese-watch-movement-information/ If you can identify the exact caliber, then you may be able to track down a datasheet, or perhaps a tear down video. They are in my opinion, reasonable quality, so worth repairing.
  14. Given that the quality control of some of these Chinese movements is marginal at best, and woeful at worst, it may well be the case that pressure against the stem is causing it to jam somehow. Exactly how is the question. The stem itself may be too long, or machined out of spec., or the tolerances of the case or the screw in crown may be wrong, or the stem may be too short, and screwing it in, may cause it to pull out slightly, jamming up the keyless work. If you manually push the stem in with the movement uncased, do you get the same effect?
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