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Peter-H

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  1. I never abused the watch. Those chips in the ceramic are a mystery, but if they are the result of normal wear, that material is totally unsuitable for a watch. Maybe for posing The ETA 7750 movement on which this watch is based should be plenty robust enough, however.
  2. I have been looking at the strap attachment options and it sounds like with these ceramic watches the important thing is for the pins to be the most rigid type you can get. That also means choosing the length to be the maximum that will fit - to minimise the potential for the pin wobbling sideways. Also you need to make sure the diameter of the end portion is not a tight fit into the hole in the watch case. If it is a tight fit, it will create an enormous localised stress in the ceramic and chip a piece out of it. IWC's "we won't touch a watch which has any damage to the case" attitude doesn't help... it is really good for revenue generation though! I also wondered if it would help, if using a flexible strap e.g. fabric or silicone rubber, to somehow insert a metal link next to the watch and have the strap attach to that. That will prevent the pin getting flexed. Has anyone in the business here come across any of this before? Or maybe my watch had been attacked by a monkey?
  3. I don't think IWC ever understood the 3 sec per min issue was intermittent. Or maybe somebody deep in there did/does but the written response is illiterate. A year ago I sent them a movie proving it (posted in the other thread) because basically nobody believed it was possible, and after a lot of hassling their switchboard I sort of got a confirmation that somebody did watch it, but they were totally non committal as to the possible cause and how much it might be, worst-case. Very difficult, but not untypical for a present-day huge company (which I am sure they are NOT) set up to isolate the customers from the internals. I never ever got through to anybody who knew anything about watches. Yes swapping the case is the only obvious explanation, but who would do that, and why? IWC must have good security, which (based on some other businesses I know, where customers routinely haggle about what they sent in and in what condition) very likely involves a video of the person opening and closing each package.
  4. A very good point about a non-metal strap. That will try to bend the pins, whereas a metal (rigid) strap will just pull on them perpendicularly to their axis, which will greatly reduce the stress on the ceramic, around the pin holes. So I need to find a strap which has metal links at the watch end, and the rest is something which (a) doesn't pull hair out and (b) is ok with daily swimming. I wonder if there is such a thing. BTW does this forum software allow messages to be edited after saving? I see no button for it. Maybe it is disabled until you have reached some number of posts.
  5. I am paying the 2.2k. The Ebay option would be doing a dirty on somebody, notwithstanding the fact that "half" the sellers on Ebay do that already But I want to get hold of the "correct" pins, whatever that means. Regards ceramic cases, they don't scratch so look like new for many years, whereas metal cases look quite naff quite soon. But obviously ceramic lugs are a weak point. There are many pics online of IWC lugs having broken right off. I am also surprised by the IWC report of a badly damaged gear train. How much of a shock would it take to do that, while ending up with a watch which is still accurate to better than a second a day afterwards - as this one was, all the time it wasn't gaining 3 seconds per minute? I am disappointed with IWC communications. The people you speak to know almost nothing about watches and are clearly under instruction to say as little as possible, while the people who actually do the work are absolutely banned from any contact with customers. So you just get bland descriptions and no way to get to the bottom of anything. But hey this is the way of most organisations these days... Those which aren't full of idiots keep the smart people well behind the customer interface.
  6. I wonder if there is a specific vulnerability here, in the spring pins naturally flexing (as the strap gets pulled, with normal arm movement) and exerting possibly large forces against the sides of the holes in the ceramic. Such forces would place the ceramin under tension, and we all know it is very weak in that mode. Are there special pins for these watches? I have been using just normal pins. I use a silicone rubber strap (ex Traser watch) because I swim every day and a leather one gets smelly I don't like metal ones due to hair pulling. I also wonder about that oval shaped depression. It could not have been created just with a knock, because this material is really hard. It would have just smashed. It looks like a manufacturing defect. But it isn't visible in my original post-purchase pics e.g. The only possible explanation (case has been swapped) is pretty serious and not one made lightly.
  7. This thread refers: The fault came back. The original watchmaker who "fixed" it a few times stopped responding to emails or phone messages, this time. So I sent it to IWC... They quote the £500 standard service plus £1700 for a new case! They sent me some photos which show tiny chips where the spring-loaded pins go. Some of these are very hard to believe they were there when I had the watch, and I have earlier photos which prove they were not there. So either the package came open in transit and got smashed (IWC discarded the packaging) or somebody at IWC messed with it (very hard to believe). They tell me their procedures make an accidental swap with somebody else's watch impossible. Obviously a metal watch would never get this. I am now stuffed. The watch is almost worthless unless I pay out the £2200. IWC refuse to do a service without changing the case. I could do what a lot of people do and put it on Ebay and get a few k for it, without disclosing the intermittent timing issue. But at least I will have a "as new" watch with a 2 year IWC warranty. Pretty obviously it is really easy to chip this ceramic. I have the correct tools for compressing the spring pins, and I use the tool from the bottom of the case, whereas in the above pic somebody used some kind of a tool from the top of the case. This oval shaped depression is also interesting. and this photo shows what might be a hairline crack Lesson: never buy a used watch unless it comes with a manufacturer's service!
  8. Capitulation. It's going back to IWC for the 500 quid service. They probably won't find anything wrong. I included a flash stick with the mp4 video showing the problem...
  9. The watchmaker who worked on this watch several times is Omega authorised so I would expect him to know how a watch works, especially as these use the same ETA7750 movement which half the auto chrono watches out there use (with modifications). Would it be possible that he would not have spotted it? Also it is exceedingly intermittent. More now than before. If I had not done the videos (posted earlier) absolutely nobody would have believed me. I am an "engineer" (electronic, electrical, mechanical) and to me it is obvious that something is getting moved / getting caught on something / etc and this happens when the watch gets moved in a certain way, and you can get out of it by gently bumping it. For sure the rapid time advance is not terminated simply by winding the watch up a bit, or by using the stopwatch. I don't think the hands are dragging; that would make it run slow, not fast, surely?
  10. Sadly, almost a year later it has done it again. Same 3-4 seconds per minute. I found I can "fix it" by dropping it onto a table on its back from about 2cm. Doing the same on its side(s) would not fix it. I have been in contact with IWC. They try to keep their communications "awfully posh" and non committal You can almost hear the Eton accent I doubt the shop will want to have anything to do with it now, so my best option is the 500 quid IWC service. I presume it is to some extent a "fixed price" unless they find something dramatic? One issue is insurance. The most I can get for Royal Mail Special Delivery is 2.5k but the watch is worth about 5k. The last watchmaker who fixed it has his own insurance cover for 25k, but IWC don't seem to have any such thing. They suggest taking it to some shop in London but that's a whole day wasted for me.
  11. One advice I got from a watchmaker is to warm the watch on a radiator and then place an ice cube onto the glass. If that mists up, there is water in there. I can easily understand this from the point of view of physics, temperature and dewpoint. There is no condensation at all. I actually wonder if watches are assembled in dry air. They should be because if assembling on a humid day, say dewpoint = +10C, then anytime the watch goes below +10C it will mist up. Normally it won't because it is on your wrist but it doesn't sound like a good procedure. BTW why is the text font so thin? It is barely readable.
  12. Today I had a bath and found that somehow the "winding button" was unscrewed. It was not pulled out (to e.g. change the date). Just unscrewed. Do you think water would have got in? It obviously depends on where the o-ring is located. I have pulled the button all the way out and will leave it like that for a day or so, so water trapped underneath it can dry out and not get forced in past the seal when I push it back in. The watch was previously mentioned here but it has been perfect since the fix.
  13. The watch seems to have been fixed this time. Very accurate too; a small fraction of a second per day.
  14. Apparently the barrel wall was worn. I don't know what this means but the guy says it can explain the behaviour. A new barrel and spring have been fitted.
  15. I can't tell if you are being sarcastic He is "Rolex accredited Watchmaker", whatever that means. At least he is not claiming to be "one of the few" master watchmakers like the £1500/hr one down the road from here In the end I got the watch at about the right price, about 1k under what they sell for on Ebay, so if it has to go to IWC I will bite the bullet and do that. But it will be my last mechanical watch. The next one will be a solar powered quartz, which actually solves the issue I was trying to solve by going to self winding watches originally. That said, the Fortis one, similar movement (whoops I know one is supposed to say "calibre" ) worked perfectly for the 4 years I had it; it just wasn't accurate.
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